Summation of power of 2
60
∑ 2^i = 2^0 + 2^1 + ... + 2^59 + 2^60
i = 0
1 + 2 + 4 + 8 + 16 + 32 + 64 + 128 + 256 + 512 + 1024 + 2048 + 4096 + 8192 + 16384 + 32768 + 65536 + 131072 + 262144 + 524288 + 1048576 + 2097152 + 4194304 + 8388608 + 16777216 + 33554432 + 67108864 + 134217728 + 268435456 + 536870912 + 1073741824 + 2147483648 + 4294967296 +......
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