Base | Representation |
---|---|
bin | 100101100111110010… |
… | …0110110100010110101 |
3 | 21201112112022120220020 |
4 | 1023033210312202311 |
5 | 2310430220040022 |
6 | 101040523555353 |
7 | 5560046202111 |
oct | 1131744664265 |
9 | 251475276806 |
10 | 80791955637 |
11 | 31299a53078 |
12 | 137a908bb59 |
13 | 780722c313 |
14 | 3ca600c741 |
15 | 217cca735c |
hex | 12cf9368b5 |
80791955637 has 8 divisors (see below), whose sum is σ = 108570817536. Its totient is φ = 53437198752.
The previous prime is 80791955603. The next prime is 80791955639. The reversal of 80791955637 is 73655919708.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80791955637 - 211 = 80791953589 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80791955639) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106025808 + ... + 106026569.
It is an arithmetic number, because the mean of its divisors is an integer number (13571352192).
Almost surely, 280791955637 is an apocalyptic number.
It is an amenable number.
80791955637 is a deficient number, since it is larger than the sum of its proper divisors (27778861899).
80791955637 is a wasteful number, since it uses less digits than its factorization.
80791955637 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 212052507.
The product of its (nonzero) digits is 14288400, while the sum is 60.
The spelling of 80791955637 in words is "eighty billion, seven hundred ninety-one million, nine hundred fifty-five thousand, six hundred thirty-seven".
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