Base | Representation |
---|---|
bin | 100101010011011100… |
… | …0100100000100110011 |
3 | 21122202221200220102221 |
4 | 1022212320210010303 |
5 | 2303030432211021 |
6 | 100445055221511 |
7 | 5534116310110 |
oct | 1124670440463 |
9 | 248687626387 |
10 | 80109257011 |
11 | 30a79650533 |
12 | 13638517897 |
13 | 7728969c34 |
14 | 3c3d499907 |
15 | 213cda1241 |
hex | 12a6e24133 |
80109257011 has 32 divisors (see below), whose sum is σ = 96848998400. Its totient is φ = 64807827840.
The previous prime is 80109256991. The next prime is 80109257023. The reversal of 80109257011 is 11075290108.
It is a happy number.
It is not a de Polignac number, because 80109257011 - 233 = 71519322419 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80109257411) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6609625 + ... + 6621733.
It is an arithmetic number, because the mean of its divisors is an integer number (3026531200).
Almost surely, 280109257011 is an apocalyptic number.
80109257011 is a deficient number, since it is larger than the sum of its proper divisors (16739741389).
80109257011 is a wasteful number, since it uses less digits than its factorization.
80109257011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12899.
The product of its (nonzero) digits is 5040, while the sum is 34.
The spelling of 80109257011 in words is "eighty billion, one hundred nine million, two hundred fifty-seven thousand, eleven".
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