Base | Representation |
---|---|
bin | 1001101001110… |
… | …01011101011011 |
3 | 12122100222210021 |
4 | 10310321131123 |
5 | 131212210312 |
6 | 12011331311 |
7 | 2002165531 |
oct | 464713533 |
9 | 178328707 |
10 | 80975707 |
11 | 4178827a |
12 | 23150b37 |
13 | 13a12527 |
14 | aa7c151 |
15 | 7197c07 |
hex | 4d3975b |
80975707 has 2 divisors, whose sum is σ = 80975708. Its totient is φ = 80975706.
The previous prime is 80975683. The next prime is 80975717. The reversal of 80975707 is 70757908.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80975707 - 219 = 80451419 is a prime.
It is not a weakly prime, because it can be changed into another prime (80975717) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40487853 + 40487854.
It is an arithmetic number, because the mean of its divisors is an integer number (40487854).
Almost surely, 280975707 is an apocalyptic number.
80975707 is a deficient number, since it is larger than the sum of its proper divisors (1).
80975707 is an equidigital number, since it uses as much as digits as its factorization.
80975707 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 123480, while the sum is 43.
The square root of 80975707 is about 8998.6502876820. The cubic root of 80975707 is about 432.6316117440.
The spelling of 80975707 in words is "eighty million, nine hundred seventy-five thousand, seven hundred seven".
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