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28463088625 = 53227704709
BaseRepresentation
bin11010100000100010…
…000100001111110001
32201110122022201022121
4122200202010033301
5431243022314000
621024210434241
72025225155446
oct324042041761
981418281277
1028463088625
1111086742844
125624292981
1328b7b4b09a
1415402979cd
15b18c3cb1a
hex6a08843f1

28463088625 has 8 divisors (see below), whose sum is σ = 35521934760. Its totient is φ = 22770470800.

The previous prime is 28463088617. The next prime is 28463088761. The reversal of 28463088625 is 52688036482.

It can be written as a sum of positive squares in 4 ways, for example, as 130119649 + 28332968976 = 11407^2 + 168324^2 .

It is not a de Polignac number, because 28463088625 - 23 = 28463088617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113852230 + ... + 113852479.

It is an arithmetic number, because the mean of its divisors is an integer number (4440241845).

Almost surely, 228463088625 is an apocalyptic number.

28463088625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28463088625 is a deficient number, since it is larger than the sum of its proper divisors (7058846135).

28463088625 is an equidigital number, since it uses as much as digits as its factorization.

28463088625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227704724 (or 227704714 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 52.

The spelling of 28463088625 in words is "twenty-eight billion, four hundred sixty-three million, eighty-eight thousand, six hundred twenty-five".

Divisors: 1 5 25 125 227704709 1138523545 5692617725 28463088625