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113130523 = 1122933191
BaseRepresentation
bin1101011111000…
…11110000011011
321212212121220101
412233203300123
5212430134043
615120440231
72542410412
oct657436033
9255777811
10113130523
115894a700
1231a79077
131a59024c
141104c479
159dea24d
hex6be3c1b

113130523 has 12 divisors (see below), whose sum is σ = 124813584. Its totient is φ = 102462800.

The previous prime is 113130467. The next prime is 113130533. The reversal of 113130523 is 325031311.

It is not a de Polignac number, because 113130523 - 217 = 112999451 is a prime.

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 113130523.

It is not an unprimeable number, because it can be changed into a prime (113130533) 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, 33858 + ... + 37048.

It is an arithmetic number, because the mean of its divisors is an integer number (10401132).

Almost surely, 2113130523 is an apocalyptic number.

113130523 is a deficient number, since it is larger than the sum of its proper divisors (11683061).

113130523 is a wasteful number, since it uses less digits than its factorization.

113130523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506 (or 3495 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 113130523 is about 10636.2833264256. The cubic root of 113130523 is about 483.6448841396.

Adding to 113130523 its reverse (325031311), we get a palindrome (438161834).

The spelling of 113130523 in words is "one hundred thirteen million, one hundred thirty thousand, five hundred twenty-three".

Divisors: 1 11 121 293 3191 3223 35101 35453 386111 934963 10284593 113130523