The binary number 1101011 represents a value in the base-2 numeral system, which uses only two digits: 0 and 1. Each digit in a binary number is called a bit. In this case, 1101011 consists of seven bits, where each bit's position represents a power of 2, starting from the rightmost bit. To convert 1101011 to decimal, you calculate the sum of the powers of 2 for each bit that is set to 1. This results in: 1 \times 2^6 + 1 \times 2^5 + 0 \times 2^4 + 1 \times 2^3 + 0 \times 2^2 + 1 \times 2^1 + 1 \times 2^0, which equals 107 in decimal form.