Base | Representation |
---|---|
bin | 100101000001110001… |
… | …1001001000110111000 |
3 | 21121020122012121222010 |
4 | 1022003203021012320 |
5 | 2300322202021333 |
6 | 100310201125520 |
7 | 5513330402451 |
oct | 1120343110670 |
9 | 247218177863 |
10 | 79516438968 |
11 | 307a4a5856a |
12 | 134b1a898a0 |
13 | 7662bb7325 |
14 | 3bc4862128 |
15 | 2105d01563 |
hex | 12838c91b8 |
79516438968 has 64 divisors (see below), whose sum is σ = 200332339200. Its totient is φ = 26300194560.
The previous prime is 79516438949. The next prime is 79516439027. The reversal of 79516438968 is 86983461597.
It is a junction number, because it is equal to n+sod(n) for n = 79516438899 and 79516438908.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7176873 + ... + 7187943.
It is an arithmetic number, because the mean of its divisors is an integer number (3130192800).
Almost surely, 279516438968 is an apocalyptic number.
It is an amenable number.
79516438968 is an abundant number, since it is smaller than the sum of its proper divisors (120815900232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79516438968 is a wasteful number, since it uses less digits than its factorization.
79516438968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13372 (or 13368 counting only the distinct ones).
The product of its digits is 78382080, while the sum is 66.
The spelling of 79516438968 in words is "seventy-nine billion, five hundred sixteen million, four hundred thirty-eight thousand, nine hundred sixty-eight".
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