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113257344757 = 197957229583
BaseRepresentation
bin110100101111010101…
…0011110111011110101
3101211100002200020100111
41221132222132323311
53323422340013012
6124010225543021
711116423355254
oct1513652367365
9354302606314
10113257344757
1144039900477
1219b497a4a71
13a8ac2c5c3b
1456a5a5879b
152e2d071ba7
hex1a5ea9eef5

113257344757 has 4 divisors (see below), whose sum is σ = 113314576320. Its totient is φ = 113200113196.

The previous prime is 113257344743. The next prime is 113257344797. The reversal of 113257344757 is 757443752311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113257344757 - 215 = 113257311989 is a prime.

It is a super-2 number, since 2×1132573447572 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113257344757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113257344727) 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, 28612813 + ... + 28616770.

It is an arithmetic number, because the mean of its divisors is an integer number (28328644080).

Almost surely, 2113257344757 is an apocalyptic number.

It is an amenable number.

113257344757 is a deficient number, since it is larger than the sum of its proper divisors (57231563).

113257344757 is an equidigital number, since it uses as much as digits as its factorization.

113257344757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57231562.

The product of its digits is 2469600, while the sum is 49.

The spelling of 113257344757 in words is "one hundred thirteen billion, two hundred fifty-seven million, three hundred forty-four thousand, seven hundred fifty-seven".

Divisors: 1 1979 57229583 113257344757