Base | Representation |
---|---|
bin | 100101011001101111… |
… | …1101001101000001000 |
3 | 21200022200210220222002 |
4 | 1022303133221220020 |
5 | 2303444113024320 |
6 | 100522054050132 |
7 | 5542265534630 |
oct | 1126337515010 |
9 | 250280726862 |
10 | 80320829960 |
11 | 31078018408 |
12 | 13697349948 |
13 | 7760746a27 |
14 | 3c5d6116c0 |
15 | 2151744675 |
hex | 12b37e9a08 |
80320829960 has 64 divisors (see below), whose sum is σ = 208165662720. Its totient is φ = 27321719040.
The previous prime is 80320829959. The next prime is 80320829971. The reversal of 80320829960 is 6992802308.
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, 1093811 + ... + 1164930.
It is an arithmetic number, because the mean of its divisors is an integer number (3252588480).
Almost surely, 280320829960 is an apocalyptic number.
It is an amenable number.
80320829960 is an abundant number, since it is smaller than the sum of its proper divisors (127844832760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80320829960 is a wasteful number, since it uses less digits than its factorization.
80320829960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2258886 (or 2258882 counting only the distinct ones).
The product of its (nonzero) digits is 373248, while the sum is 47.
The spelling of 80320829960 in words is "eighty billion, three hundred twenty million, eight hundred twenty-nine thousand, nine hundred sixty".
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