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23145054132 = 22389124917351
BaseRepresentation
bin10101100011100011…
…010111111110110100
32012202000111120110010
4111203203113332310
5334400113213012
614344354500220
71446361466634
oct254343277664
965660446403
1023145054132
1198a7863812
12459b294670
13224b148b05
141197c8a6c4
15906e13c3c
hex5638d7fb4

23145054132 has 48 divisors (see below), whose sum is σ = 54658800000. Its totient is φ = 7621785600.

The previous prime is 23145054083. The next prime is 23145054161.

23145054132 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 23145054132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1325257 + ... + 1342607.

It is an arithmetic number, because the mean of its divisors is an integer number (1138725000).

Almost surely, 223145054132 is an apocalyptic number.

It is an amenable number.

23145054132 is an abundant number, since it is smaller than the sum of its proper divisors (31513745868).

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

23145054132 is a wasteful number, since it uses less digits than its factorization.

23145054132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18696 (or 18694 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

It can be divided in two parts, 231450 and 54132, that added together give a palindrome (285582).

The spelling of 23145054132 in words is "twenty-three billion, one hundred forty-five million, fifty-four thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 89 178 267 356 534 1068 1249 2498 3747 4996 7494 14988 17351 34702 52053 69404 104106 111161 208212 222322 333483 444644 666966 1333932 1544239 3088478 4632717 6176956 9265434 18530868 21671399 43342798 65014197 86685596 130028394 260056788 1928754511 3857509022 5786263533 7715018044 11572527066 23145054132