Base | Representation |
---|---|
bin | 100100111100111111… |
… | …1000110101110110001 |
3 | 21120211110022100002220 |
4 | 1021321333012232301 |
5 | 2300010113401410 |
6 | 100242230231253 |
7 | 5506341563100 |
oct | 1117177065661 |
9 | 246743270086 |
10 | 79355997105 |
11 | 30722434190 |
12 | 134681b5529 |
13 | 76388a0708 |
14 | 3bab41a037 |
15 | 20e6bad070 |
hex | 1279fc6bb1 |
79355997105 has 48 divisors (see below), whose sum is σ = 161126553024. Its totient is φ = 32979112320.
The previous prime is 79355997053. The next prime is 79355997107. The reversal of 79355997105 is 50179955397.
It is not a de Polignac number, because 79355997105 - 217 = 79355866033 is a prime.
It is not an unprimeable number, because it can be changed into a prime (79355997107) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4899522 + ... + 4915691.
It is an arithmetic number, because the mean of its divisors is an integer number (3356803188).
Almost surely, 279355997105 is an apocalyptic number.
It is an amenable number.
79355997105 is an abundant number, since it is smaller than the sum of its proper divisors (81770555919).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
79355997105 is a wasteful number, since it uses less digits than its factorization.
79355997105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9815246 (or 9815239 counting only the distinct ones).
The product of its (nonzero) digits is 13395375, while the sum is 60.
The spelling of 79355997105 in words is "seventy-nine billion, three hundred fifty-five million, nine hundred ninety-seven thousand, one hundred five".
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