Base | Representation |
---|---|
bin | 11010000111101001000000… |
… | …01011111010110100110101 |
3 | 21112100221021212201102220211 |
4 | 31003310200023322310311 |
5 | 30012022224214113403 |
6 | 322054131243425421 |
7 | 15045460546361401 |
oct | 1503644013726465 |
9 | 245327255642824 |
10 | 57437137644853 |
11 | 17334a538a9aaa |
12 | 6537851225271 |
13 | 26083b671c005 |
14 | 1027d87d98101 |
15 | 6991122d906d |
hex | 343d202fad35 |
57437137644853 has 2 divisors, whose sum is σ = 57437137644854. Its totient is φ = 57437137644852.
The previous prime is 57437137644851. The next prime is 57437137644889. The reversal of 57437137644853 is 35844673173475.
57437137644853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 55838286140004 + 1598851504849 = 7472502^2 + 1264457^2 .
It is a cyclic number.
It is not a de Polignac number, because 57437137644853 - 21 = 57437137644851 is a prime.
Together with 57437137644851, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (57437137644851) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28718568822426 + 28718568822427.
It is an arithmetic number, because the mean of its divisors is an integer number (28718568822427).
Almost surely, 257437137644853 is an apocalyptic number.
It is an amenable number.
57437137644853 is a deficient number, since it is larger than the sum of its proper divisors (1).
57437137644853 is an equidigital number, since it uses as much as digits as its factorization.
57437137644853 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 711244800, while the sum is 67.
The spelling of 57437137644853 in words is "fifty-seven trillion, four hundred thirty-seven billion, one hundred thirty-seven million, six hundred forty-four thousand, eight hundred fifty-three".
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