Base | Representation |
---|---|
bin | 1001100011001… |
… | …00010010101000 |
3 | 12120201122001210 |
4 | 10301210102220 |
5 | 131001240233 |
6 | 11540513120 |
7 | 1661601120 |
oct | 461442250 |
9 | 176648053 |
10 | 80102568 |
11 | 41241277 |
12 | 229ab7a0 |
13 | 13797c90 |
14 | a8d1c80 |
15 | 7074163 |
hex | 4c644a8 |
80102568 has 64 divisors (see below), whose sum is σ = 246476160. Its totient is φ = 21125376.
The previous prime is 80102567. The next prime is 80102573. The reversal of 80102568 is 86520108.
It is not an unprimeable number, because it can be changed into a prime (80102567) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16155 + ... + 20522.
It is an arithmetic number, because the mean of its divisors is an integer number (3851190).
Almost surely, 280102568 is an apocalyptic number.
It is an amenable number.
80102568 is an abundant number, since it is smaller than the sum of its proper divisors (166373592).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80102568 is a wasteful number, since it uses less digits than its factorization.
80102568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36706 (or 36702 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 30.
The square root of 80102568 is about 8950.0037988819. The cubic root of 80102568 is about 431.0710060786.
The spelling of 80102568 in words is "eighty million, one hundred two thousand, five hundred sixty-eight".
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