Base | Representation |
---|---|
bin | 100101010100001100… |
… | …1100100110110001100 |
3 | 21122211201112221101121 |
4 | 1022220121210312030 |
5 | 2303103440010030 |
6 | 100451404250324 |
7 | 5534545416253 |
oct | 1125031446614 |
9 | 248751487347 |
10 | 80134688140 |
11 | 30a91a402a1 |
12 | 13644b409a4 |
13 | 7731002440 |
14 | 3c429d979a |
15 | 214022647a |
hex | 12a8664d8c |
80134688140 has 48 divisors (see below), whose sum is σ = 187073752320. Its totient is φ = 28633731840.
The previous prime is 80134688129. The next prime is 80134688189. The reversal of 80134688140 is 4188643108.
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, 4963075 + ... + 4979194.
It is an arithmetic number, because the mean of its divisors is an integer number (3897369840).
Almost surely, 280134688140 is an apocalyptic number.
It is an amenable number.
80134688140 is an abundant number, since it is smaller than the sum of its proper divisors (106939064180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80134688140 is a wasteful number, since it uses less digits than its factorization.
80134688140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9942322 (or 9942320 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 43.
The spelling of 80134688140 in words is "eighty billion, one hundred thirty-four million, six hundred eighty-eight thousand, one hundred forty".
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