Base | Representation |
---|---|
bin | 100101100101010101… |
… | …1010000000100000111 |
3 | 21201022210121221210002 |
4 | 1023022223100010013 |
5 | 2310243143400301 |
6 | 101024425551515 |
7 | 5555030346461 |
oct | 1131253200407 |
9 | 251283557702 |
10 | 80709746951 |
11 | 31257603509 |
12 | 1378564559b |
13 | 77c31a7822 |
14 | 3c9912d131 |
15 | 217596916b |
hex | 12caad0107 |
80709746951 has 2 divisors, whose sum is σ = 80709746952. Its totient is φ = 80709746950.
The previous prime is 80709746869. The next prime is 80709746969. The reversal of 80709746951 is 15964790708.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80709746951 - 222 = 80705552647 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80709746651) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40354873475 + 40354873476.
It is an arithmetic number, because the mean of its divisors is an integer number (40354873476).
Almost surely, 280709746951 is an apocalyptic number.
80709746951 is a deficient number, since it is larger than the sum of its proper divisors (1).
80709746951 is an equidigital number, since it uses as much as digits as its factorization.
80709746951 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3810240, while the sum is 56.
The spelling of 80709746951 in words is "eighty billion, seven hundred nine million, seven hundred forty-six thousand, nine hundred fifty-one".
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