Base | Representation |
---|---|
bin | 100101010100111011… |
… | …0110100010110000011 |
3 | 21122220102112202201010 |
4 | 1022221312310112003 |
5 | 2303131214143021 |
6 | 100454040212003 |
7 | 5535263241261 |
oct | 1125166642603 |
9 | 248812482633 |
10 | 80159131011 |
11 | 30aa4815613 |
12 | 1365116a003 |
13 | 77360acb8b |
14 | 3c45d5d431 |
15 | 2142453976 |
hex | 12a9db4583 |
80159131011 has 4 divisors (see below), whose sum is σ = 106878841352. Its totient is φ = 53439420672.
The previous prime is 80159131009. The next prime is 80159131021. The reversal of 80159131011 is 11013195108.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 80159131011 - 21 = 80159131009 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 80159131011.
It is not an unprimeable number, because it can be changed into a prime (80159131021) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13359855166 + ... + 13359855171.
It is an arithmetic number, because the mean of its divisors is an integer number (26719710338).
Almost surely, 280159131011 is an apocalyptic number.
80159131011 is a deficient number, since it is larger than the sum of its proper divisors (26719710341).
80159131011 is a wasteful number, since it uses less digits than its factorization.
80159131011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26719710340.
The product of its (nonzero) digits is 1080, while the sum is 30.
The spelling of 80159131011 in words is "eighty billion, one hundred fifty-nine million, one hundred thirty-one thousand, eleven".
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