Base | Representation |
---|---|
bin | 110101101011100111… |
… | …100011001001101101 |
3 | 12111210001000200210022 |
4 | 311223213203021231 |
5 | 1421021331321212 |
6 | 42251323251525 |
7 | 4110242543030 |
oct | 655347431155 |
9 | 174701020708 |
10 | 57640104557 |
11 | 22499377752 |
12 | b207679ba5 |
13 | 5587873859 |
14 | 2b0b2b3017 |
15 | 177549e772 |
hex | d6b9e326d |
57640104557 has 8 divisors (see below), whose sum is σ = 66393102336. Its totient is φ = 49016781072.
The previous prime is 57640104551. The next prime is 57640104563. The reversal of 57640104557 is 75540104675.
It is an interprime number because it is at equal distance from previous prime (57640104551) and next prime (57640104563).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 57640104557 - 26 = 57640104493 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57640104551) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32417618 + ... + 32419395.
It is an arithmetic number, because the mean of its divisors is an integer number (8299137792).
Almost surely, 257640104557 is an apocalyptic number.
It is an amenable number.
57640104557 is a deficient number, since it is larger than the sum of its proper divisors (8752997779).
57640104557 is a wasteful number, since it uses less digits than its factorization.
57640104557 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64837147.
The product of its (nonzero) digits is 588000, while the sum is 44.
The spelling of 57640104557 in words is "fifty-seven billion, six hundred forty million, one hundred four thousand, five hundred fifty-seven".
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