Base | Representation |
---|---|
bin | 100100101000101111… |
… | …0111110011111101101 |
3 | 21112002002200121021120 |
4 | 1021101132332133231 |
5 | 2242112140024000 |
6 | 100050554051153 |
7 | 5453451045366 |
oct | 1112136763755 |
9 | 245062617246 |
10 | 78676486125 |
11 | 30403909566 |
12 | 132b8719ab9 |
13 | 755ab86203 |
14 | 3b45096b6d |
15 | 20a71d66a0 |
hex | 12517be7ed |
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".
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