10111011011

10111011011 is a sequence of binary digits. In the decimal number system, this binary sequence represents the number 1515. This is determined by assigning powers of two to each digit from right to left, starting with 2 to the power of 0. Therefore, the calculation is (1 * 2^10) + (0 * 2^9) + (1 * 2^8) + (1 * 2^7) + (1 * 2^6) + (0 * 2^5) + (1 * 2^4) + (1 * 2^3) + (0 * 2^2) + (1 * 2^1) + (1 * 2^0), which equals 1024 + 0 + 256 + 128 + 64 + 0 + 16 + 8 + 0 + 2 + 1, summing to 1515.

In hexadecimal, 10111011011 translates to 5DB. This is achieved by grouping the binary digits into sets of four from the right, padding with leading zeros if necessary. The first group from the right is 011, which is 3 in decimal. The next group is 1011, which is 11 in decimal, represented by B in hexadecimal. The leftmost group is 0101, which is 5 in hexadecimal. Thus, the hexadecimal representation is 5DB.

The sequence 10111011011 could appear in various computational contexts, such as data transmission, memory addresses, or within programming code as a literal binary value. Its significance is entirely dependent on the system or context in which it is used. Without further information, it is simply a binary string with a corresponding decimal and hexadecimal value.