Base | Representation |
---|---|
bin | 100101010000001010… |
… | …0011110010100101110 |
3 | 21122111021111000122220 |
4 | 1022200110132110232 |
5 | 2302314234223344 |
6 | 100430123020210 |
7 | 5531311260555 |
oct | 1124024362456 |
9 | 248437430586 |
10 | 79999132974 |
11 | 30a22474732 |
12 | 1360766a666 |
13 | 770bbc0297 |
14 | 3c2c9d0d9c |
15 | 213339bc19 |
hex | 12a051e52e |
79999132974 has 8 divisors (see below), whose sum is σ = 159998265960. Its totient is φ = 26666377656.
The previous prime is 79999132951. The next prime is 79999132981. The reversal of 79999132974 is 47923199997.
It is a sphenic number, since it is the product of 3 distinct primes.
79999132974 is an admirable number.
It is a super-2 number, since 2×799991329742 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 79999132899 and 79999132908.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6666594409 + ... + 6666594420.
It is an arithmetic number, because the mean of its divisors is an integer number (19999783245).
Almost surely, 279999132974 is an apocalyptic number.
79999132974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79999132974 is a wasteful number, since it uses less digits than its factorization.
79999132974 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13333188834.
The product of its digits is 69441624, while the sum is 69.
The spelling of 79999132974 in words is "seventy-nine billion, nine hundred ninety-nine million, one hundred thirty-two thousand, nine hundred seventy-four".
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