Base | Representation |
---|---|
bin | 100101101001101011… |
… | …1100010111111101111 |
3 | 21201200222000212101200 |
4 | 1023103113202333233 |
5 | 2311043011422214 |
6 | 101051115340543 |
7 | 5561451026622 |
oct | 1132327427757 |
9 | 251628025350 |
10 | 80855576559 |
11 | 3132195744a |
12 | 13806451753 |
13 | 7817476434 |
14 | 3cb064ddb9 |
15 | 2183672d09 |
hex | 12d35e2fef |
80855576559 has 48 divisors (see below), whose sum is σ = 126529603200. Its totient is φ = 49595796288.
The previous prime is 80855576539. The next prime is 80855576587. The reversal of 80855576559 is 95567555808.
80855576559 is a `hidden beast` number, since 8 + 0 + 8 + 5 + 5 + 5 + 76 + 559 = 666.
It is not a de Polignac number, because 80855576559 - 29 = 80855576047 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 80855576496 and 80855576505.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80855576539) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 789109 + ... + 885665.
It is an arithmetic number, because the mean of its divisors is an integer number (2636033400).
Almost surely, 280855576559 is an apocalyptic number.
80855576559 is a deficient number, since it is larger than the sum of its proper divisors (45674026641).
80855576559 is a wasteful number, since it uses less digits than its factorization.
80855576559 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96724 (or 96721 counting only the distinct ones).
The product of its (nonzero) digits is 75600000, while the sum is 63.
The spelling of 80855576559 in words is "eighty billion, eight hundred fifty-five million, five hundred seventy-six thousand, five hundred fifty-nine".
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