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23125315653 = 32111783131009
BaseRepresentation
bin10101100010011000…
…000101000001000101
32012200122100202100100
4111202120011001011
5334330040100103
614342411434313
71446031640226
oct254230050105
965618322310
1023125315653
119897701a20
124594755999
13224702773b
1411953cd24d
159053155a3
hex562605045

23125315653 has 24 divisors (see below), whose sum is σ = 36460607040. Its totient is φ = 14007375360.

The previous prime is 23125315651. The next prime is 23125315687. The reversal of 23125315653 is 35651352132.

23125315653 is a `hidden beast` number, since 23 + 1 + 2 + 531 + 56 + 53 = 666.

It is not a de Polignac number, because 23125315653 - 21 = 23125315651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23125315651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111013 + ... + 242021.

It is an arithmetic number, because the mean of its divisors is an integer number (1519191960).

Almost surely, 223125315653 is an apocalyptic number.

It is an amenable number.

23125315653 is a deficient number, since it is larger than the sum of its proper divisors (13335291387).

23125315653 is a wasteful number, since it uses less digits than its factorization.

23125315653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132809 (or 132806 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

Adding to 23125315653 its reverse (35651352132), we get a palindrome (58776667785).

The spelling of 23125315653 in words is "twenty-three billion, one hundred twenty-five million, three hundred fifteen thousand, six hundred fifty-three".

Divisors: 1 3 9 11 33 99 1783 5349 16047 19613 58839 131009 176517 393027 1179081 1441099 4323297 12969891 233589047 700767141 2102301423 2569479517 7708438551 23125315653