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136112388 = 22311342699
BaseRepresentation
bin10000001110011…
…10100100000100
3100111010020002120
420013032210010
5234321044023
621301205540
73241636056
oct1007164404
9314106076
10136112388
116a917285
12397008b0
1322278999
14141118d6
15be398e3
hex81ce904

136112388 has 12 divisors (see below), whose sum is σ = 317595600. Its totient is φ = 45370792.

The previous prime is 136112293. The next prime is 136112393. The reversal of 136112388 is 883211631.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 13.

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, 5671338 + ... + 5671361.

It is an arithmetic number, because the mean of its divisors is an integer number (26466300).

Almost surely, 2136112388 is an apocalyptic number.

It is an amenable number.

136112388 is an abundant number, since it is smaller than the sum of its proper divisors (181483212).

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

136112388 is a wasteful number, since it uses less digits than its factorization.

136112388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11342706 (or 11342704 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 136112388 is about 11666.7213903478. The cubic root of 136112388 is about 514.3979365772.

The spelling of 136112388 in words is "one hundred thirty-six million, one hundred twelve thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 11342699 22685398 34028097 45370796 68056194 136112388