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23534935625 = 54257146521
BaseRepresentation
bin10101111010110010…
…101001111001001001
32020202012010121022102
4111322302221321021
5341144420420000
614451203203145
71462134436445
oct257262517111
966665117272
1023534935625
119a87948523
1246899764b5
1322b0b56916
1411d3979825
1592b2793d5
hex57aca9e49

23534935625 has 20 divisors (see below), whose sum is σ = 29523889956. Its totient is φ = 18754560000.

The previous prime is 23534935591. The next prime is 23534935649. The reversal of 23534935625 is 52653943532.

It can be written as a sum of positive squares in 10 ways, for example, as 18625971529 + 4908964096 = 136477^2 + 70064^2 .

It is not a de Polignac number, because 23534935625 - 216 = 23534870089 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 23534935625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 87365 + ... + 233885.

Almost surely, 223534935625 is an apocalyptic number.

23534935625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23534935625 is a deficient number, since it is larger than the sum of its proper divisors (5988954331).

23534935625 is an equidigital number, since it uses as much as digits as its factorization.

23534935625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146798 (or 146783 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 47.

The spelling of 23534935625 in words is "twenty-three billion, five hundred thirty-four million, nine hundred thirty-five thousand, six hundred twenty-five".

Divisors: 1 5 25 125 257 625 1285 6425 32125 146521 160625 732605 3663025 18315125 37655897 91575625 188279485 941397425 4706987125 23534935625