Base | Representation |
---|---|
bin | 100101101011010011… |
… | …1101011111110101010 |
3 | 21201211202200221102011 |
4 | 1023112213223332222 |
5 | 2311200443424211 |
6 | 101100345030134 |
7 | 5563012556653 |
oct | 1132647537652 |
9 | 251752627364 |
10 | 80910139306 |
11 | 3134a734227 |
12 | 1382078534a |
13 | 782586b599 |
14 | 3cb79b452a |
15 | 218834e921 |
hex | 12d69ebfaa |
80910139306 has 8 divisors (see below), whose sum is σ = 123655118724. Its totient is φ = 39691766400.
The previous prime is 80910139267. The next prime is 80910139313. The reversal of 80910139306 is 60393101908.
It can be written as a sum of positive squares in 2 ways, for example, as 80437468225 + 472671081 = 283615^2 + 21741^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381651495 + ... + 381651706.
Almost surely, 280910139306 is an apocalyptic number.
80910139306 is a deficient number, since it is larger than the sum of its proper divisors (42744979418).
80910139306 is a wasteful number, since it uses less digits than its factorization.
80910139306 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 763303256.
The product of its (nonzero) digits is 34992, while the sum is 40.
The spelling of 80910139306 in words is "eighty billion, nine hundred ten million, one hundred thirty-nine thousand, three hundred six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •