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113257617213 = 3133193678757
BaseRepresentation
bin110100101111010101…
…1100001011100111101
3101211100010012002002110
41221132223201130331
53323422422222323
6124010235444233
711116425601506
oct1513653413475
9354303162073
10113257617213
1144039a77144
1219b498b6679
13a8ac38cc60
1456a5ac9bad
152e2d0c7793
hex1a5eae173d

113257617213 has 16 divisors (see below), whose sum is σ = 167872334336. Its totient is φ = 67448704320.

The previous prime is 113257617203. The next prime is 113257617223. The reversal of 113257617213 is 312716752311.

It is an interprime number because it is at equal distance from previous prime (113257617203) and next prime (113257617223).

It is not a de Polignac number, because 113257617213 - 25 = 113257617181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113257617203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46838170 + ... + 46840587.

It is an arithmetic number, because the mean of its divisors is an integer number (10492020896).

Almost surely, 2113257617213 is an apocalyptic number.

113257617213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

113257617213 is a deficient number, since it is larger than the sum of its proper divisors (54614717123).

113257617213 is a wasteful number, since it uses less digits than its factorization.

113257617213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93678804.

The product of its digits is 52920, while the sum is 39.

The spelling of 113257617213 in words is "one hundred thirteen billion, two hundred fifty-seven million, six hundred seventeen thousand, two hundred thirteen".

Divisors: 1 3 13 31 39 93 403 1209 93678757 281036271 1217823841 2904041467 3653471523 8712124401 37752539071 113257617213