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131058112 = 2610918787
BaseRepresentation
bin1111100111111…
…00100111000000
3100010121102221011
413303330213000
5232022324422
621001010304
73150655423
oct763744700
9303542834
10131058112
1167a84999
1237a83994
13211c92a3
14135979ba
15b78c077
hex7cfc9c0

131058112 has 28 divisors (see below), whose sum is σ = 262468360. Its totient is φ = 64924416.

The previous prime is 131058091. The next prime is 131058113. The reversal of 131058112 is 211850131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131058113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2418 + ... + 16369.

It is an arithmetic number, because the mean of its divisors is an integer number (9373870).

Almost surely, 2131058112 is an apocalyptic number.

It is an amenable number.

131058112 is an abundant number, since it is smaller than the sum of its proper divisors (131410248).

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

131058112 is a wasteful number, since it uses less digits than its factorization.

131058112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18908 (or 18898 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 131058112 is about 11448.0614952926. The cubic root of 131058112 is about 507.9503950572.

The spelling of 131058112 in words is "one hundred thirty-one million, fifty-eight thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 109 218 436 872 1744 3488 6976 18787 37574 75148 150296 300592 601184 1202368 2047783 4095566 8191132 16382264 32764528 65529056 131058112