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25000275275 = 521000011011
BaseRepresentation
bin10111010010001000…
…011110110101001011
32101112022102120102022
4113102020132311023
5402200032302100
615252430355055
71543346555633
oct272210366513
971468376368
1025000275275
11a66a004928
124a1865ba8b
1324856018c1
1412d24196c3
159b4c28e85
hex5d221ed4b

25000275275 has 6 divisors (see below), whose sum is σ = 31000341372. Its totient is φ = 20000220200.

The previous prime is 25000275269. The next prime is 25000275277. The reversal of 25000275275 is 57257200052.

It is not a de Polignac number, because 25000275275 - 26 = 25000275211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25000275277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 500005481 + ... + 500005530.

It is an arithmetic number, because the mean of its divisors is an integer number (5166723562).

Almost surely, 225000275275 is an apocalyptic number.

25000275275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25000275275 is a deficient number, since it is larger than the sum of its proper divisors (6000066097).

25000275275 is a wasteful number, since it uses less digits than its factorization.

25000275275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000011021 (or 1000011016 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 35.

The spelling of 25000275275 in words is "twenty-five billion, two hundred seventy-five thousand, two hundred seventy-five".

Divisors: 1 5 25 1000011011 5000055055 25000275275