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12647100156100 = 2252126471001561
BaseRepresentation
bin1011100000001010000111…
…1010011000100011000100
31122210001101011011222220121
42320002201322120203010
53124202230114443400
642521555252111324
72443502634412624
oct270024172304304
948701334158817
1012647100156100
114036672368843
121503114305544
137098023a2137
1431a1a13bc884
1516dea7c7521a
hexb80a1e988c4

12647100156100 has 18 divisors (see below), whose sum is σ = 27444207338954. Its totient is φ = 5058840062400.

The previous prime is 12647100156049. The next prime is 12647100156107. The reversal of 12647100156100 is 165100174621.

It can be written as a sum of positive squares in 3 ways, for example, as 1196713475136 + 11450386680964 = 1093944^2 + 3383842^2 .

It is not an unprimeable number, because it can be changed into a prime (12647100156107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63235500681 + ... + 63235500880.

Almost surely, 212647100156100 is an apocalyptic number.

12647100156100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12647100156100 is an abundant number, since it is smaller than the sum of its proper divisors (14797107182854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12647100156100 is a wasteful number, since it uses less digits than its factorization.

12647100156100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126471001575 (or 126471001568 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 12647100156100 in words is "twelve trillion, six hundred forty-seven billion, one hundred million, one hundred fifty-six thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 126471001561 252942003122 505884006244 632355007805 1264710015610 2529420031220 3161775039025 6323550078050 12647100156100