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12956259454107 = 3291187171254433
BaseRepresentation
bin1011110010001001110100…
…1111100000110010011011
31200212121100222221120110020
42330202131033200302123
53144233404410012412
643320005020521523
72505026121163104
oct274423517406233
950777328846406
1012956259454107
11414579a769212
1215530150b02a3
1372ca019870b8
1432b12cb613ab
1517704e5ca18c
hexbc89d3e0c9b

12956259454107 has 16 divisors (see below), whose sum is σ = 17870867473440. Its totient is φ = 8339584361472.

The previous prime is 12956259454093. The next prime is 12956259454111. The reversal of 12956259454107 is 70145495265921.

It is not a de Polignac number, because 12956259454107 - 212 = 12956259450011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12956259450107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9701163 + ... + 10955595.

It is an arithmetic number, because the mean of its divisors is an integer number (1116929217090).

Almost surely, 212956259454107 is an apocalyptic number.

12956259454107 is a deficient number, since it is larger than the sum of its proper divisors (4914608019333).

12956259454107 is a wasteful number, since it uses less digits than its factorization.

12956259454107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373182.

The product of its (nonzero) digits is 27216000, while the sum is 60.

The spelling of 12956259454107 in words is "twelve trillion, nine hundred fifty-six billion, two hundred fifty-nine million, four hundred fifty-four thousand, one hundred seven".

Divisors: 1 3 29 87 118717 356151 1254433 3442793 3763299 10328379 36378557 109135671 148922522461 446767567383 4318753151369 12956259454107