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25047980025 = 352333973067
BaseRepresentation
bin10111010100111110…
…011101011111111001
32101122122012020000220
4113110332131133321
5402244240330100
615301253050253
71544466213555
oct272476353771
971578166026
1025047980025
11a693a28142
124a30626989
132492465373
1412d88b6865
159b8eedaa0
hex5d4f9d7f9

25047980025 has 12 divisors (see below), whose sum is σ = 41412660432. Its totient is φ = 13358922640.

The previous prime is 25047980011. The next prime is 25047980051. The reversal of 25047980025 is 52008974052.

It is not a de Polignac number, because 25047980025 - 27 = 25047979897 is a prime.

It is a Curzon 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, 166986459 + ... + 166986608.

It is an arithmetic number, because the mean of its divisors is an integer number (3451055036).

Almost surely, 225047980025 is an apocalyptic number.

25047980025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25047980025 is a deficient number, since it is larger than the sum of its proper divisors (16364680407).

25047980025 is a wasteful number, since it uses less digits than its factorization.

25047980025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333973080 (or 333973075 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 25047980025 in words is "twenty-five billion, forty-seven million, nine hundred eighty thousand, twenty-five".

Divisors: 1 3 5 15 25 75 333973067 1001919201 1669865335 5009596005 8349326675 25047980025