Base | Representation |
---|---|
bin | 111010110010111010110… |
… | …1100011111010101011001 |
3 | 1001121111222102001020020011 |
4 | 1311211311230133111121 |
5 | 2024343443332040404 |
6 | 25104134425401521 |
7 | 1462550646241306 |
oct | 165456554372531 |
9 | 31544872036204 |
10 | 8080808080729 |
11 | 263606254a32a |
12 | aa61463392a1 |
13 | 46802b27ac47 |
14 | 1dd1828880ad |
15 | e0301355604 |
hex | 75975b1f559 |
8080808080729 has 2 divisors, whose sum is σ = 8080808080730. Its totient is φ = 8080808080728.
The previous prime is 8080808080711. The next prime is 8080808080823. The reversal of 8080808080729 is 9270808080808.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 4940639790025 + 3140168290704 = 2222755^2 + 1772052^2 .
It is a cyclic number.
It is not a de Polignac number, because 8080808080729 - 29 = 8080808080217 is a prime.
It is not a weakly prime, because it can be changed into another prime (8080808081729) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4040404040364 + 4040404040365.
It is an arithmetic number, because the mean of its divisors is an integer number (4040404040365).
Almost surely, 28080808080729 is an apocalyptic number.
It is an amenable number.
8080808080729 is a deficient number, since it is larger than the sum of its proper divisors (1).
8080808080729 is an equidigital number, since it uses as much as digits as its factorization.
8080808080729 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4128768, while the sum is 58.
The spelling of 8080808080729 in words is "eight trillion, eighty billion, eight hundred eight million, eighty thousand, seven hundred twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •