Base | Representation |
---|---|
bin | 100100100000111010… |
… | …1001011011010101011 |
3 | 21111101210112100201200 |
4 | 1021001311023122223 |
5 | 2241042422331023 |
6 | 100004533215243 |
7 | 5444111622054 |
oct | 1110165133253 |
9 | 244353470650 |
10 | 78413870763 |
11 | 30289649778 |
12 | 13244791523 |
13 | 75186476c7 |
14 | 3b1c25572b |
15 | 208e10e743 |
hex | 1241d4b6ab |
78413870763 has 24 divisors (see below), whose sum is σ = 117634982400. Its totient is φ = 50296463664.
The previous prime is 78413870737. The next prime is 78413870819. The reversal of 78413870763 is 36707831487.
It is not a de Polignac number, because 78413870763 - 218 = 78413608619 is a prime.
It is a super-2 number, since 2×784138707632 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (78413870663) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1546023 + ... + 1595936.
It is an arithmetic number, because the mean of its divisors is an integer number (4901457600).
Almost surely, 278413870763 is an apocalyptic number.
78413870763 is a deficient number, since it is larger than the sum of its proper divisors (39221111637).
78413870763 is a wasteful number, since it uses less digits than its factorization.
78413870763 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3142071 (or 3142068 counting only the distinct ones).
The product of its (nonzero) digits is 4741632, while the sum is 54.
The spelling of 78413870763 in words is "seventy-eight billion, four hundred thirteen million, eight hundred seventy thousand, seven hundred sixty-three".
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