Base | Representation |
---|---|
bin | 111101010011100… |
… | …1010110100011111 |
3 | 12022100202220122002 |
4 | 1322213022310133 |
5 | 13203103311122 |
6 | 540042312515 |
7 | 101655650642 |
oct | 17247126437 |
9 | 5270686562 |
10 | 2057088287 |
11 | 966199971 |
12 | 494ab873b |
13 | 26a244c07 |
14 | 1572b9a59 |
15 | c08dc992 |
hex | 7a9cad1f |
2057088287 has 2 divisors, whose sum is σ = 2057088288. Its totient is φ = 2057088286.
The previous prime is 2057088269. The next prime is 2057088289. The reversal of 2057088287 is 7828807502.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2057088287 - 226 = 1989979423 is a prime.
It is a super-2 number, since 2×20570882872 = 8463224441025188738, which contains 22 as substring.
Together with 2057088289, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2057088289) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028544143 + 1028544144.
It is an arithmetic number, because the mean of its divisors is an integer number (1028544144).
Almost surely, 22057088287 is an apocalyptic number.
2057088287 is a deficient number, since it is larger than the sum of its proper divisors (1).
2057088287 is an equidigital number, since it uses as much as digits as its factorization.
2057088287 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 501760, while the sum is 47.
The square root of 2057088287 is about 45355.1351778385. The cubic root of 2057088287 is about 1271.7965536253.
The spelling of 2057088287 in words is "two billion, fifty-seven million, eighty-eight thousand, two hundred eighty-seven".
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