Base | Representation |
---|---|
bin | 100111100111100110… |
… | …0111110011011100100 |
3 | 22010121102021112110120 |
4 | 1033033030332123210 |
5 | 2343221122220110 |
6 | 103030245521540 |
7 | 6101243465310 |
oct | 1171714763344 |
9 | 263542245416 |
10 | 85080663780 |
11 | 3309a8a8a72 |
12 | 145a54132b0 |
13 | 803b8c6c48 |
14 | 4191836b40 |
15 | 232e55a870 |
hex | 13cf33e6e4 |
85080663780 has 96 divisors (see below), whose sum is σ = 276721455360. Its totient is φ = 19128199680.
The previous prime is 85080663757. The next prime is 85080663859. The reversal of 85080663780 is 8736608058.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1634815 + ... + 1686054.
It is an arithmetic number, because the mean of its divisors is an integer number (2882515160).
Almost surely, 285080663780 is an apocalyptic number.
It is an amenable number.
85080663780 is an abundant number, since it is smaller than the sum of its proper divisors (191640791580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85080663780 is a wasteful number, since it uses less digits than its factorization.
85080663780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3320949 (or 3320947 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 51.
The spelling of 85080663780 in words is "eighty-five billion, eighty million, six hundred sixty-three thousand, seven hundred eighty".
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