Base | Representation |
---|---|
bin | 100101100011111011… |
… | …1100000001000110100 |
3 | 21201012111222000011211 |
4 | 1023013313200020310 |
5 | 2310144113024433 |
6 | 101020024011204 |
7 | 5553616005235 |
oct | 1130767401064 |
9 | 251174860154 |
10 | 80662626868 |
11 | 31232a4a49a |
12 | 13771900b04 |
13 | 77b64ba215 |
14 | 3c92b8508c |
15 | 217175c8cd |
hex | 12c7de0234 |
80662626868 has 96 divisors (see below), whose sum is σ = 159899443200. Its totient is φ = 35418679296.
The previous prime is 80662626857. The next prime is 80662626887. The reversal of 80662626868 is 86862626608.
It is a Harshad number since it is a multiple of its sum of digits (58).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6996813 + ... + 7008331.
It is an arithmetic number, because the mean of its divisors is an integer number (1665619200).
Almost surely, 280662626868 is an apocalyptic number.
It is an amenable number.
80662626868 is a deficient number, since it is larger than the sum of its proper divisors (79236816332).
80662626868 is a wasteful number, since it uses less digits than its factorization.
80662626868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11689 (or 11687 counting only the distinct ones).
The product of its (nonzero) digits is 15925248, while the sum is 58.
The spelling of 80662626868 in words is "eighty billion, six hundred sixty-two million, six hundred twenty-six thousand, eight hundred sixty-eight".
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