Base | Representation |
---|---|
bin | 100101011001011010… |
… | …0100001111000111111 |
3 | 21200021220112121221211 |
4 | 1022302310201320333 |
5 | 2303433214313304 |
6 | 100521011505251 |
7 | 5542100464666 |
oct | 1126264417077 |
9 | 250256477854 |
10 | 80309526079 |
11 | 310716a7662 |
12 | 136935b8227 |
13 | 775b2b9843 |
14 | 3c5bd0bddd |
15 | 2150760204 |
hex | 12b2d21e3f |
80309526079 has 2 divisors, whose sum is σ = 80309526080. Its totient is φ = 80309526078.
The previous prime is 80309526043. The next prime is 80309526103. The reversal of 80309526079 is 97062590308.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 80309526079 - 223 = 80301137471 is a prime.
It is a super-2 number, since 2×803095260792 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (80309526019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40154763039 + 40154763040.
It is an arithmetic number, because the mean of its divisors is an integer number (40154763040).
Almost surely, 280309526079 is an apocalyptic number.
80309526079 is a deficient number, since it is larger than the sum of its proper divisors (1).
80309526079 is an equidigital number, since it uses as much as digits as its factorization.
80309526079 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 816480, while the sum is 49.
The spelling of 80309526079 in words is "eighty billion, three hundred nine million, five hundred twenty-six thousand, seventy-nine".
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