Base | Representation |
---|---|
bin | 100101011100001111… |
… | …1111111001110101000 |
3 | 21200112112211021101222 |
4 | 1022320133333032220 |
5 | 2304132112221040 |
6 | 100534254001212 |
7 | 5544335363465 |
oct | 1127037771650 |
9 | 250475737358 |
10 | 80404804520 |
11 | 31110463777 |
12 | 136bb4a6208 |
13 | 7774c69211 |
14 | 3c6a83066c |
15 | 2158cd0bb5 |
hex | 12b87ff3a8 |
80404804520 has 32 divisors (see below), whose sum is σ = 181388181600. Its totient is φ = 32077055808.
The previous prime is 80404804507. The next prime is 80404804531. The reversal of 80404804520 is 2540840408.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2636714 + ... + 2667033.
It is an arithmetic number, because the mean of its divisors is an integer number (5668380675).
Almost surely, 280404804520 is an apocalyptic number.
It is an amenable number.
80404804520 is an abundant number, since it is smaller than the sum of its proper divisors (100983377080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80404804520 is a wasteful number, since it uses less digits than its factorization.
80404804520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5304137 (or 5304133 counting only the distinct ones).
The product of its (nonzero) digits is 40960, while the sum is 35.
The spelling of 80404804520 in words is "eighty billion, four hundred four million, eight hundred four thousand, five hundred twenty".
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