Base | Representation |
---|---|
bin | 100101101000100111… |
… | …1011011010010101000 |
3 | 21201121110212222022210 |
4 | 1023101033123102220 |
5 | 2311004343042131 |
6 | 101043402445120 |
7 | 5560535521263 |
oct | 1132117332250 |
9 | 251543788283 |
10 | 80819893416 |
11 | 313037a5149 |
12 | 137b65037a0 |
13 | 780cc61752 |
14 | 3ca9a01cda |
15 | 2180475146 |
hex | 12d13db4a8 |
80819893416 has 32 divisors (see below), whose sum is σ = 208567468800. Its totient is φ = 26070933120.
The previous prime is 80819893393. The next prime is 80819893417. The reversal of 80819893416 is 61439891808.
It is not an unprimeable number, because it can be changed into a prime (80819893417) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54313701 + ... + 54315188.
It is an arithmetic number, because the mean of its divisors is an integer number (6517733400).
Almost surely, 280819893416 is an apocalyptic number.
It is an amenable number.
80819893416 is an abundant number, since it is smaller than the sum of its proper divisors (127747575384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80819893416 is a wasteful number, since it uses less digits than its factorization.
80819893416 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108628929 (or 108628925 counting only the distinct ones).
The product of its (nonzero) digits is 2985984, while the sum is 57.
The spelling of 80819893416 in words is "eighty billion, eight hundred nineteen million, eight hundred ninety-three thousand, four hundred sixteen".
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