Base | Representation |
---|---|
bin | 1001100111101… |
… | …10010100001000 |
3 | 12121212000112002 |
4 | 10303312110020 |
5 | 131124410210 |
6 | 12001410132 |
7 | 1666641644 |
oct | 463662410 |
9 | 177760462 |
10 | 80700680 |
11 | 4160a685 |
12 | 23039948 |
13 | 139472a8 |
14 | aa09c24 |
15 | 71414a5 |
hex | 4cf6508 |
80700680 has 32 divisors (see below), whose sum is σ = 185803200. Its totient is φ = 31528896.
The previous prime is 80700679. The next prime is 80700691. The reversal of 80700680 is 8600708.
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, 21740 + ... + 25179.
It is an arithmetic number, because the mean of its divisors is an integer number (5806350).
Almost surely, 280700680 is an apocalyptic number.
It is an amenable number.
80700680 is an abundant number, since it is smaller than the sum of its proper divisors (105102520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80700680 is a wasteful number, since it uses less digits than its factorization.
80700680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46973 (or 46969 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 29.
The square root of 80700680 is about 8983.3557204421. The cubic root of 80700680 is about 432.1412575324.
The spelling of 80700680 in words is "eighty million, seven hundred thousand, six hundred eighty".
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