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78676486125 = 3531097692503
BaseRepresentation
bin100100101000101111…
…0111110011111101101
321112002002200121021120
41021101132332133231
52242112140024000
6100050554051153
75453451045366
oct1112136763755
9245062617246
1078676486125
1130403909566
12132b8719ab9
13755ab86203
143b45096b6d
1520a71d66a0
hex12517be7ed

78676486125 has 64 divisors (see below), whose sum is σ = 132343411200. Its totient is φ = 41505177600.

The previous prime is 78676486117. The next prime is 78676486153. The reversal of 78676486125 is 52168467687.

It is not a de Polignac number, because 78676486125 - 23 = 78676486117 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31431624 + ... + 31434126.

It is an arithmetic number, because the mean of its divisors is an integer number (2067865800).

Almost surely, 278676486125 is an apocalyptic number.

78676486125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

78676486125 is a deficient number, since it is larger than the sum of its proper divisors (53666925075).

78676486125 is a wasteful number, since it uses less digits than its factorization.

78676486125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399 (or 3389 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 60.

The spelling of 78676486125 in words is "seventy-eight billion, six hundred seventy-six million, four hundred eighty-six thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 109 125 327 375 545 769 1635 2307 2503 2725 3845 7509 8175 11535 12515 13625 19225 37545 40875 57675 62575 83821 96125 187725 251463 272827 288375 312875 419105 818481 938625 1257315 1364135 1924807 2095525 4092405 5774421 6286575 6820675 9624035 10477625 20462025 28872105 31432875 34103375 48120175 102310125 144360525 209803963 240600875 629411889 721802625 1049019815 3147059445 5245099075 15735297225 26225495375 78676486125