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23135161325 = 524719689499
BaseRepresentation
bin10101100010111101…
…101000101111101101
32012201022212222001212
4111202331220233231
5334340100130300
614343402444205
71446211424633
oct254275505755
965638788055
1023135161325
1198a2217141
124597b03665
132249093c93
141196833353
1590610c935
hex562f68bed

23135161325 has 12 divisors (see below), whose sum is σ = 29297976000. Its totient is φ = 18114338160.

The previous prime is 23135161321. The next prime is 23135161373. The reversal of 23135161325 is 52316153132.

It is not a de Polignac number, because 23135161325 - 22 = 23135161321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23135161291 and 23135161300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23135161321) 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, 9843575 + ... + 9845924.

It is an arithmetic number, because the mean of its divisors is an integer number (2441498000).

Almost surely, 223135161325 is an apocalyptic number.

23135161325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23135161325 is a deficient number, since it is larger than the sum of its proper divisors (6162814675).

23135161325 is a wasteful number, since it uses less digits than its factorization.

23135161325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19689556 (or 19689551 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The spelling of 23135161325 in words is "twenty-three billion, one hundred thirty-five million, one hundred sixty-one thousand, three hundred twenty-five".

Divisors: 1 5 25 47 235 1175 19689499 98447495 492237475 925406453 4627032265 23135161325