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25027500025 = 5211233956917
BaseRepresentation
bin10111010011110000…
…010101011111111001
32101121012122201202101
4113103300111133321
5402224020000100
615255242103401
71544130145243
oct272360253771
971535581671
1025027500025
11a68340a220
124a257aab61
13248b144618
1412d5ca5093
159b730586a
hex5d3c157f9

25027500025 has 24 divisors (see below), whose sum is σ = 35327363904. Its totient is φ = 17410430400.

The previous prime is 25027500007. The next prime is 25027500031. The reversal of 25027500025 is 52000572052.

It is not a de Polignac number, because 25027500025 - 211 = 25027497977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25027499966 and 25027500002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1972134 + ... + 1984783.

It is an arithmetic number, because the mean of its divisors is an integer number (1471973496).

Almost surely, 225027500025 is an apocalyptic number.

25027500025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25027500025 is a deficient number, since it is larger than the sum of its proper divisors (10299863879).

25027500025 is a wasteful number, since it uses less digits than its factorization.

25027500025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3956961 (or 3956956 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The spelling of 25027500025 in words is "twenty-five billion, twenty-seven million, five hundred thousand, twenty-five".

Divisors: 1 5 11 23 25 55 115 253 275 575 1265 6325 3956917 19784585 43526087 91009091 98922925 217630435 455045455 1001100001 1088152175 2275227275 5005500005 25027500025