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12625503025 = 52975206393
BaseRepresentation
bin10111100001000100…
…11110001100110001
31012120220010000012011
423300202132030301
5201324112044100
65444452202521
7624605001502
oct136042361461
935526100164
1012625503025
115399849323
122544309441
13126291c565
1487ab22ba9
154dd629bba
hex2f089e331

12625503025 has 12 divisors (see below), whose sum is σ = 15817024972. Its totient is φ = 9996272640.

The previous prime is 12625503013. The next prime is 12625503041. The reversal of 12625503025 is 52030552621.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 242487184 + 12383015841 = 15572^2 + 111279^2 .

It is not a de Polignac number, because 12625503025 - 229 = 12088632113 is a prime.

It is a Duffinian 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, 2600772 + ... + 2605621.

Almost surely, 212625503025 is an apocalyptic number.

It is an amenable number.

12625503025 is a deficient number, since it is larger than the sum of its proper divisors (3191521947).

12625503025 is an equidigital number, since it uses as much as digits as its factorization.

12625503025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5206500 (or 5206495 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 12625503025 in words is "twelve billion, six hundred twenty-five million, five hundred three thousand, twenty-five".

Divisors: 1 5 25 97 485 2425 5206393 26031965 130159825 505020121 2525100605 12625503025