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25625008424 = 2314812162813
BaseRepresentation
bin10111110111010111…
…101001100100101000
32110010211222022012002
4113313113221210220
5404440000232144
615434424510132
71565003656241
oct276727514450
973124868162
1025625008424
11a95a716114
124b7191b348
132554b7a0a2
14135139dcc8
159ee9d014e
hex5f75e9928

25625008424 has 16 divisors (see below), whose sum is σ = 48079355220. Its totient is φ = 12803847040.

The previous prime is 25625008411. The next prime is 25625008477. The reversal of 25625008424 is 42480052652.

It can be written as a sum of positive squares in 2 ways, for example, as 23904252100 + 1720756324 = 154610^2 + 41482^2 .

It is a super-3 number, since 3×256250084243 (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069559 + ... + 1093254.

Almost surely, 225625008424 is an apocalyptic number.

It is an amenable number.

25625008424 is a deficient number, since it is larger than the sum of its proper divisors (22454346796).

25625008424 is a wasteful number, since it uses less digits than its factorization.

25625008424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164300 (or 2164296 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

The spelling of 25625008424 in words is "twenty-five billion, six hundred twenty-five million, eight thousand, four hundred twenty-four".

Divisors: 1 2 4 8 1481 2962 5924 11848 2162813 4325626 8651252 17302504 3203126053 6406252106 12812504212 25625008424