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25379743325 = 521039856211
BaseRepresentation
bin10111101000110000…
…000010011001011101
32102111202110112201112
4113220300002121131
5403434203241300
615354223551405
71555635154526
oct275060023135
972452415645
1025379743325
11a844226892
124b0375b565
132516104901
14132a99784d
159d81d3e35
hex5e8c0265d

25379743325 has 12 divisors (see below), whose sum is σ = 31776427488. Its totient is φ = 20106668400.

The previous prime is 25379743243. The next prime is 25379743349. The reversal of 25379743325 is 52334797352.

It is a happy number.

It is not a de Polignac number, because 25379743325 - 216 = 25379677789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4925531 + ... + 4930680.

It is an arithmetic number, because the mean of its divisors is an integer number (2648035624).

Almost surely, 225379743325 is an apocalyptic number.

25379743325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25379743325 is a deficient number, since it is larger than the sum of its proper divisors (6396684163).

25379743325 is a wasteful number, since it uses less digits than its factorization.

25379743325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9856324 (or 9856319 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 50.

The spelling of 25379743325 in words is "twenty-five billion, three hundred seventy-nine million, seven hundred forty-three thousand, three hundred twenty-five".

Divisors: 1 5 25 103 515 2575 9856211 49281055 246405275 1015189733 5075948665 25379743325