Base | Representation |
---|---|
bin | 1010101100001101… |
… | …1100101110111001 |
3 | 21102000001100120022 |
4 | 2223003130232321 |
5 | 21334132324212 |
6 | 1152433540225 |
7 | 131054652224 |
oct | 25303345671 |
9 | 7360040508 |
10 | 2869808057 |
11 | 1242a282a6 |
12 | 681114675 |
13 | 36972c59c |
14 | 1d31d65bb |
15 | 11be28772 |
hex | ab0dcbb9 |
2869808057 has 2 divisors, whose sum is σ = 2869808058. Its totient is φ = 2869808056.
The previous prime is 2869808009. The next prime is 2869808099. The reversal of 2869808057 is 7508089682.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2329896361 + 539911696 = 48269^2 + 23236^2 .
It is a cyclic number.
It is not a de Polignac number, because 2869808057 - 216 = 2869742521 is a prime.
It is not a weakly prime, because it can be changed into another prime (2869808857) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1434904028 + 1434904029.
It is an arithmetic number, because the mean of its divisors is an integer number (1434904029).
Almost surely, 22869808057 is an apocalyptic number.
It is an amenable number.
2869808057 is a deficient number, since it is larger than the sum of its proper divisors (1).
2869808057 is an equidigital number, since it uses as much as digits as its factorization.
2869808057 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1935360, while the sum is 53.
The square root of 2869808057 is about 53570.5894778096. The cubic root of 2869808057 is about 1421.0770208064.
The spelling of 2869808057 in words is "two billion, eight hundred sixty-nine million, eight hundred eight thousand, fifty-seven".
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