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25025250275 = 521001010011
BaseRepresentation
bin10111010011100111…
…110000001111100011
32101121001102102200022
4113103213300033203
5402222431002100
615255121544055
71544102055224
oct272347601743
971531372608
1025025250275
11a682112a23
124a24aa502b
13248a8375cc
1412d587b24b
159b700de85
hex5d39f03e3

25025250275 has 6 divisors (see below), whose sum is σ = 31031310372. Its totient is φ = 20020200200.

The previous prime is 25025250269. The next prime is 25025250277. The reversal of 25025250275 is 57205252052.

It is a de Polignac number, because none of the positive numbers 2k-25025250275 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25025250277) 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, 500504981 + ... + 500505030.

It is an arithmetic number, because the mean of its divisors is an integer number (5171885062).

Almost surely, 225025250275 is an apocalyptic number.

25025250275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25025250275 is a deficient number, since it is larger than the sum of its proper divisors (6006060097).

25025250275 is a wasteful number, since it uses less digits than its factorization.

25025250275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001010021 (or 1001010016 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 35.

The spelling of 25025250275 in words is "twenty-five billion, twenty-five million, two hundred fifty thousand, two hundred seventy-five".

Divisors: 1 5 25 1001010011 5005050055 25025250275