Base | Representation |
---|---|
bin | 100101010101110100… |
… | …0000001101010011001 |
3 | 21122222111101111122200 |
4 | 1022223220001222121 |
5 | 2303211313322313 |
6 | 100501020240413 |
7 | 5536103422521 |
oct | 1125350015231 |
9 | 248874344580 |
10 | 80188807833 |
11 | 3100a545212 |
12 | 1365b0a0109 |
13 | 773c2a0a24 |
14 | 3c49c86681 |
15 | 2144d66b73 |
hex | 12aba01a99 |
80188807833 has 6 divisors (see below), whose sum is σ = 115828277994. Its totient is φ = 53459205216.
The previous prime is 80188807817. The next prime is 80188807873. The reversal of 80188807833 is 33870888108.
It can be written as a sum of positive squares in only one way, i.e., 54586247769 + 25602560064 = 233637^2 + 160008^2 .
It is not a de Polignac number, because 80188807833 - 24 = 80188807817 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 80188807833.
It is not an unprimeable number, because it can be changed into a prime (80188807813) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4454933760 + ... + 4454933777.
It is an arithmetic number, because the mean of its divisors is an integer number (19304712999).
Almost surely, 280188807833 is an apocalyptic number.
It is an amenable number.
80188807833 is a deficient number, since it is larger than the sum of its proper divisors (35639470161).
80188807833 is a wasteful number, since it uses less digits than its factorization.
80188807833 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8909867543 (or 8909867540 counting only the distinct ones).
The product of its (nonzero) digits is 2064384, while the sum is 54.
The spelling of 80188807833 in words is "eighty billion, one hundred eighty-eight million, eight hundred seven thousand, eight hundred thirty-three".
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