0b01000010

0b01000010 is a binary integer literal used in programming to represent the eight-bit binary value 01000010. The 0b prefix signals that the following digits are interpreted as binary rather than decimal or hexadecimal. In languages that support binary literals, this sequence is equivalent to the decimal value 66 and the hexadecimal value 0x42.

As a byte value, 0b01000010 corresponds to the ASCII and UTF-8 code 0x42, which is the uppercase letter B. In many data formats and communications protocols, such a mapping is used to encode human-readable characters as byte values. When interpreted as text, the same bit pattern yields the character 'B'; when treated as raw data, it represents the numeric value 66.

Common uses for a binary literal like 0b01000010 include defining constants for bitwise operations, masks, or flags in low-level programming, setting specific bits in a register, or initializing byte-oriented data structures. The explicit binary form can aid readability for developers performing bit-level manipulations or when the intent is to convey a precise bit pattern rather than a numeric quantity.