Base | Representation |
---|---|
bin | 11010101000101100… |
… | …111001010010100001 |
3 | 2201211012012220101202 |
4 | 122220230321102201 |
5 | 432033114120212 |
6 | 21045544210545 |
7 | 2031511136051 |
oct | 325054712241 |
9 | 81735186352 |
10 | 28600145057 |
11 | 11147044320 |
12 | 5662169a55 |
13 | 290a367673 |
14 | 1554573561 |
15 | b25cb20c2 |
hex | 6a8b394a1 |
28600145057 has 16 divisors (see below), whose sum is σ = 32146097280. Its totient is φ = 25223529600.
The previous prime is 28600145009. The next prime is 28600145059. The reversal of 28600145057 is 75054100682.
It is a cyclic number.
It is not a de Polignac number, because 28600145057 - 222 = 28595950753 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 28600145057.
It is not an unprimeable number, because it can be changed into a prime (28600145059) 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, 242957 + ... + 340922.
It is an arithmetic number, because the mean of its divisors is an integer number (2009131080).
Almost surely, 228600145057 is an apocalyptic number.
It is an amenable number.
28600145057 is a deficient number, since it is larger than the sum of its proper divisors (3545952223).
28600145057 is a wasteful number, since it uses less digits than its factorization.
28600145057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 584024.
The product of its (nonzero) digits is 67200, while the sum is 38.
The spelling of 28600145057 in words is "twenty-eight billion, six hundred million, one hundred forty-five thousand, fifty-seven".
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