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131309657274126 = 2321884942879021
BaseRepresentation
bin11101110110110011101001…
…011110100011011100001110
3122012221002011210020002121110
4131312303221132203130032
5114202334134230233001
61143134453534312450
736441544500645252
oct3566635136433416
9565832153202543
10131309657274126
1138926127328401
1212888836658726
1358365a835c7c6
14245d5c8174262
15102a9eb22d3d6
hex776ce97a370e

131309657274126 has 8 divisors (see below), whose sum is σ = 262619314548264. Its totient is φ = 43769885758040.

The previous prime is 131309657274091. The next prime is 131309657274139. The reversal of 131309657274126 is 621472756903131.

131309657274126 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

131309657274126 is an admirable number.

It is a super-2 number, since 2×1313096572741262 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10942471439505 + ... + 10942471439516.

It is an arithmetic number, because the mean of its divisors is an integer number (32827414318533).

Almost surely, 2131309657274126 is an apocalyptic number.

131309657274126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131309657274126 is a wasteful number, since it uses less digits than its factorization.

131309657274126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21884942879026.

The product of its (nonzero) digits is 11430720, while the sum is 57.

The spelling of 131309657274126 in words is "one hundred thirty-one trillion, three hundred nine billion, six hundred fifty-seven million, two hundred seventy-four thousand, one hundred twenty-six".

Divisors: 1 2 3 6 21884942879021 43769885758042 65654828637063 131309657274126