111010100101 = 211*1 + 210*1 + 29*1 + 28*0 + 27*1 + 26*0 + 25*1 + 24*0 + 23*0 + 22*1 + 21*0 + 20*1 = 2048 + 1024 + 512 + 0 + 128 + 0 + 32 + 0 + 0 + 4 + 0 + 1 = 3749
