Base | Representation |
---|---|
bin | 100101010001110100… |
… | …1101101000100001001 |
3 | 21122122011122220000001 |
4 | 1022203221231010021 |
5 | 2302423041430100 |
6 | 100435441043001 |
7 | 5532560345665 |
oct | 1124351550411 |
9 | 248564586001 |
10 | 80055030025 |
11 | 30a50a82a43 |
12 | 13622326461 |
13 | 771a661869 |
14 | 3c361c18a5 |
15 | 213823dd6a |
hex | 12a3a6d109 |
80055030025 has 12 divisors (see below), whose sum is σ = 99329300752. Its totient is φ = 64004628240.
The previous prime is 80055030023. The next prime is 80055030043. The reversal of 80055030025 is 52003055008.
It is not a de Polignac number, because 80055030025 - 21 = 80055030023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80055029975 and 80055030002.
It is not an unprimeable number, because it can be changed into a prime (80055030023) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 943407 + ... + 1024756.
Almost surely, 280055030025 is an apocalyptic number.
It is an amenable number.
80055030025 is a deficient number, since it is larger than the sum of its proper divisors (19274270727).
80055030025 is a wasteful number, since it uses less digits than its factorization.
80055030025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1969800 (or 1969795 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 28.
The spelling of 80055030025 in words is "eighty billion, fifty-five million, thirty thousand, twenty-five".
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