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113130131130 = 23251257001457
BaseRepresentation
bin110100101011100010…
…1001100111010111010
3101211000020022010001200
41221113011030322322
53323142303144010
6123545443155030
711113320151122
oct1512705147272
9354006263050
10113130131130
1143a84011a45
1219b13075a76
13a88bb447c3
145692bc1c82
152e21ce3cc0
hex1a5714ceba

113130131130 has 24 divisors (see below), whose sum is σ = 294138341172. Its totient is φ = 30168034944.

The previous prime is 113130131129. The next prime is 113130131137. The reversal of 113130131130 is 31131031311.

113130131130 is a `hidden beast` number, since 11 + 313 + 0 + 1 + 311 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 108799043409 + 4331087721 = 329847^2 + 65811^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (113130131137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 628500639 + ... + 628500818.

Almost surely, 2113130131130 is an apocalyptic number.

113130131130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113130131130 is an abundant number, since it is smaller than the sum of its proper divisors (181008210042).

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

113130131130 is a wasteful number, since it uses less digits than its factorization.

113130131130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257001470 (or 1257001467 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 113130131130 its reverse (31131031311), we get a palindrome (144261162441).

The spelling of 113130131130 in words is "one hundred thirteen billion, one hundred thirty million, one hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1257001457 2514002914 3771004371 6285007285 7542008742 11313013113 12570014570 18855021855 22626026226 37710043710 56565065565 113130131130