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125768465 = 517287037
BaseRepresentation
bin1110111111100…
…01001100010001
322202122200220022
413133301030101
5224144042330
620251353225
73055004624
oct737611421
9282580808
10125768465
1164aa1789
1236152815
1320096714
14129bbdbb
15b094ae5
hex77f1311

125768465 has 12 divisors (see below), whose sum is σ = 160323996. Its totient is φ = 94695168.

The previous prime is 125768413. The next prime is 125768473. The reversal of 125768465 is 564867521.

It can be written as a sum of positive squares in 6 ways, for example, as 529984 + 125238481 = 728^2 + 11191^2 .

It is a de Polignac number, because none of the positive numbers 2k-125768465 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42074 + ... + 44963.

It is an arithmetic number, because the mean of its divisors is an integer number (13360333).

Almost surely, 2125768465 is an apocalyptic number.

It is an amenable number.

125768465 is a deficient number, since it is larger than the sum of its proper divisors (34555531).

125768465 is an equidigital number, since it uses as much as digits as its factorization.

125768465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87076 (or 87059 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 125768465 is about 11214.6540294384. The cubic root of 125768465 is about 501.0225274497.

The spelling of 125768465 in words is "one hundred twenty-five million, seven hundred sixty-eight thousand, four hundred sixty-five".

Divisors: 1 5 17 85 289 1445 87037 435185 1479629 7398145 25153693 125768465