Base | Representation |
---|---|
bin | 1100101011010010… |
… | …01000011110001110 |
3 | 122120021212000111210 |
4 | 12111221020132032 |
5 | 102414210230321 |
6 | 3043150355250 |
7 | 330435156321 |
oct | 62551103616 |
9 | 18507760453 |
10 | 6805555086 |
11 | 29826162a0 |
12 | 139b1bbb26 |
13 | 845c45295 |
14 | 487bc27b8 |
15 | 29c70ab76 |
hex | 195a4878e |
6805555086 has 32 divisors (see below), whose sum is σ = 15051898368. Its totient is φ = 2034037440.
The previous prime is 6805555067. The next prime is 6805555111.
6805555086 is nontrivially palindromic in base 10.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701446 + ... + 711081.
It is an arithmetic number, because the mean of its divisors is an integer number (470371824).
Almost surely, 26805555086 is an apocalyptic number.
6805555086 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
6805555086 is an abundant number, since it is smaller than the sum of its proper divisors (8246343282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6805555086 is a wasteful number, since it uses less digits than its factorization.
6805555086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1412616.
The product of its (nonzero) digits is 1440000, while the sum is 48.
The square root of 6805555086 is about 82495.7882924941. The cubic root of 6805555086 is about 1895.0522316507.
The spelling of 6805555086 in words is "six billion, eight hundred five million, five hundred fifty-five thousand, eighty-six".
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