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8830125031 = 7131072513613
BaseRepresentation
bin10000011100101000…
…10000001111100111
3211210101102211100211
420032110100033213
5121041003000111
64020112120251
7431550552520
oct101624201747
924711384324
108830125031
1138214146a2
121865236087
13aa9512b70
145daa35847
1536a323521
hex20e5103e7

8830125031 has 32 divisors (see below), whose sum is σ = 11016165888. Its totient is φ = 6891696000.

The previous prime is 8830125019. The next prime is 8830125053. The reversal of 8830125031 is 1305210388.

It is not a de Polignac number, because 8830125031 - 213 = 8830116839 is a prime.

It is a super-2 number, since 2×88301250312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8830124984 and 8830125002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8830125061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2442181 + ... + 2445793.

It is an arithmetic number, because the mean of its divisors is an integer number (344255184).

Almost surely, 28830125031 is an apocalyptic number.

8830125031 is a deficient number, since it is larger than the sum of its proper divisors (2186040857).

8830125031 is a wasteful number, since it uses less digits than its factorization.

8830125031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3991.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 8830125031 is about 93968.7449687395. The cubic root of 8830125031 is about 2066.9134167081.

The spelling of 8830125031 in words is "eight billion, eight hundred thirty million, one hundred twenty-five thousand, thirty-one".

Divisors: 1 7 13 91 107 251 749 1391 1757 3263 3613 9737 22841 25291 26857 46969 187999 328783 349141 386591 906863 2443987 2706137 5025683 6348041 11789219 35179781 82524533 97034341 679240387 1261446433 8830125031