Base | Representation |
---|---|
bin | 100101010111000100… |
… | …1010010001001000001 |
3 | 21200002102221011212111 |
4 | 1022232021102021001 |
5 | 2303303124034023 |
6 | 100505130255321 |
7 | 5540125634503 |
oct | 1125611221101 |
9 | 250072834774 |
10 | 80231080513 |
11 | 31031398311 |
12 | 13671287541 |
13 | 7747c81b4c |
14 | 3c5172bd73 |
15 | 214891700d |
hex | 12ae252241 |
80231080513 has 2 divisors, whose sum is σ = 80231080514. Its totient is φ = 80231080512.
The previous prime is 80231080459. The next prime is 80231080519. The reversal of 80231080513 is 31508013208.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 77538300849 + 2692779664 = 278457^2 + 51892^2 .
It is a cyclic number.
It is not a de Polignac number, because 80231080513 - 221 = 80228983361 is a prime.
It is not a weakly prime, because it can be changed into another prime (80231080519) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40115540256 + 40115540257.
It is an arithmetic number, because the mean of its divisors is an integer number (40115540257).
Almost surely, 280231080513 is an apocalyptic number.
It is an amenable number.
80231080513 is a deficient number, since it is larger than the sum of its proper divisors (1).
80231080513 is an equidigital number, since it uses as much as digits as its factorization.
80231080513 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5760, while the sum is 31.
The spelling of 80231080513 in words is "eighty billion, two hundred thirty-one million, eighty thousand, five hundred thirteen".
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