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70931255825 = 525948088987
BaseRepresentation
bin100001000001111010…
…1010001001000010001
320210002022200010201002
41002003311101020101
52130231400141300
652330234551345
75060512504133
oct1020365211021
9223068603632
1070931255825
1128099932391
12118b6898555
1368c53657c1
14360c58b053
151ca22635d5
hex1083d51211

70931255825 has 12 divisors (see below), whose sum is σ = 89445517680. Its totient is φ = 55783223760.

The previous prime is 70931255819. The next prime is 70931255869. The reversal of 70931255825 is 52855213907.

It is not a de Polignac number, because 70931255825 - 24 = 70931255809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 70931255825.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24043019 + ... + 24045968.

It is an arithmetic number, because the mean of its divisors is an integer number (7453793140).

Almost surely, 270931255825 is an apocalyptic number.

It is an amenable number.

70931255825 is a deficient number, since it is larger than the sum of its proper divisors (18514261855).

70931255825 is a wasteful number, since it uses less digits than its factorization.

70931255825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48089056 (or 48089051 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 70931255825 in words is "seventy billion, nine hundred thirty-one million, two hundred fifty-five thousand, eight hundred twenty-five".

Divisors: 1 5 25 59 295 1475 48088987 240444935 1202224675 2837250233 14186251165 70931255825