Base | Representation |
---|---|
bin | 100101011110000011… |
… | …1011011011000110010 |
3 | 21200200202222122211022 |
4 | 1022330013123120302 |
5 | 2304243130200442 |
6 | 100544302215442 |
7 | 5546003152634 |
oct | 1127407333062 |
9 | 250622878738 |
10 | 80465475122 |
11 | 3114173246a |
12 | 13717884582 |
13 | 77846bc496 |
14 | 3c74904a54 |
15 | 215e2b73d2 |
hex | 12bc1db632 |
80465475122 has 18 divisors (see below), whose sum is σ = 122293543743. Its totient is φ = 39707817084.
The previous prime is 80465475119. The next prime is 80465475143. The reversal of 80465475122 is 22157456408.
It can be written as a sum of positive squares in only one way, i.e., 40232737561 + 40232737561 = 200581^2 + 200581^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=200581.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 31690529 + ... + 31693067.
Almost surely, 280465475122 is an apocalyptic number.
80465475122 is a deficient number, since it is larger than the sum of its proper divisors (41828068621).
80465475122 is an frugal number, since it uses more digits than its factorization.
80465475122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5238 (or 2620 counting only the distinct ones).
The product of its (nonzero) digits is 537600, while the sum is 44.
The spelling of 80465475122 in words is "eighty billion, four hundred sixty-five million, four hundred seventy-five thousand, one hundred twenty-two".
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