0b10000101010101

0b10000101010101 is a binary literal representing the unsigned integer whose binary representation is 10000101010101. The prefix 0b denotes binary in several programming languages.

Numerical value: In decimal, this value equals 8533. In hexadecimal, it is 0x2155. The literal consists of 14 bits, with the bits set at positions 13, 8, 6, 4, 2, and 0 (counting from 0 for the least significant bit).

Bit pattern and interpretation: As written, the bits that are 1 occur at those positions, meaning the value combines 2^13, 2^8, 2^6, 2^4, 2^2, and 2^0. This pattern can be viewed as a bitmask in contexts that use 14-bit or larger fields, where each 1 bit activates a corresponding flag.

Usage and context: As a literal, it can be used in code wherever an integer constant is allowed. If interpreted as a bitmask, it could enable multiple flags in a 14-bit field or serve as a compact data representation in low-level programming, embedded systems, or hardware interfacing.

Language and notation: The 0b prefix is supported in various modern languages to denote binary values, including Python, JavaScript (ES6 and later), and C++14 and newer, among others. The exact syntax support can vary by language and version.

See also: Binary numbers, Hexadecimal notation, Bitwise operations, Bitmask.