Base | Representation |
---|---|
bin | 110101011101001100… |
… | …001010010110010001 |
3 | 12111011011112202012022 |
4 | 311131030022112101 |
5 | 1420022344402144 |
6 | 42211315141225 |
7 | 4101243216203 |
oct | 653514122621 |
9 | 174134482168 |
10 | 57398044049 |
11 | 22384777045 |
12 | b15a5a4815 |
13 | 5549680b98 |
14 | 2ac70a2773 |
15 | 175e0d7cee |
hex | d5d30a591 |
57398044049 has 4 divisors (see below), whose sum is σ = 57398820336. Its totient is φ = 57397267764.
The previous prime is 57398044007. The next prime is 57398044057. The reversal of 57398044049 is 94044089375.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 57398044049 - 28 = 57398043793 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (57398044849) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263999 + ... + 429524.
It is an arithmetic number, because the mean of its divisors is an integer number (14349705084).
Almost surely, 257398044049 is an apocalyptic number.
It is an amenable number.
57398044049 is a deficient number, since it is larger than the sum of its proper divisors (776287).
57398044049 is an equidigital number, since it uses as much as digits as its factorization.
57398044049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 776286.
The product of its (nonzero) digits is 4354560, while the sum is 53.
The spelling of 57398044049 in words is "fifty-seven billion, three hundred ninety-eight million, forty-four thousand, forty-nine".
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