Base | Representation |
---|---|
bin | 100101100010101100… |
… | …1100001000110110100 |
3 | 21201002122000220202221 |
4 | 1023011121201012310 |
5 | 2310103012241314 |
6 | 101011544212124 |
7 | 5552603665360 |
oct | 1130531410664 |
9 | 251078026687 |
10 | 80621212084 |
11 | 312116329a6 |
12 | 1375ba6a044 |
13 | 77aaa4972a |
14 | 3c8b4842a0 |
15 | 216cccb824 |
hex | 12c56611b4 |
80621212084 has 48 divisors (see below), whose sum is σ = 166851619200. Its totient is φ = 33350679936.
The previous prime is 80621212051. The next prime is 80621212099. The reversal of 80621212084 is 48021212608.
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, 3172822 + ... + 3198130.
It is an arithmetic number, because the mean of its divisors is an integer number (3476075400).
Almost surely, 280621212084 is an apocalyptic number.
It is an amenable number.
80621212084 is an abundant number, since it is smaller than the sum of its proper divisors (86230407116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80621212084 is a wasteful number, since it uses less digits than its factorization.
80621212084 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29272 (or 29270 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 34.
The spelling of 80621212084 in words is "eighty billion, six hundred twenty-one million, two hundred twelve thousand, eighty-four".
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