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25000025275 = 521000001011
BaseRepresentation
bin10111010010000111…
…100001110010111011
32101112021221212111001
4113102013201302323
5402200001302100
615252421145431
71543344465031
oct272207416273
971467855431
1025000025275
11a669954015
124a1855b277
132485544b84
1412d2392551
159b4bc9d6a
hex5d21e1cbb

25000025275 has 6 divisors (see below), whose sum is σ = 31000031372. Its totient is φ = 20000020200.

The previous prime is 25000025251. The next prime is 25000025279. The reversal of 25000025275 is 57252000052.

It is not a de Polignac number, because 25000025275 - 27 = 25000025147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25000025279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500000481 + ... + 500000530.

Almost surely, 225000025275 is an apocalyptic number.

25000025275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25000025275 is a deficient number, since it is larger than the sum of its proper divisors (6000006097).

25000025275 is a wasteful number, since it uses less digits than its factorization.

25000025275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000001021 (or 1000001016 counting only the distinct ones).

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

The spelling of 25000025275 in words is "twenty-five billion, twenty-five thousand, two hundred seventy-five".

Divisors: 1 5 25 1000001011 5000005055 25000025275