Base | Representation |
---|---|
bin | 110101100010111000… |
… | …110011001111010001 |
3 | 12111101211102010011001 |
4 | 311202320303033101 |
5 | 1420221332210303 |
6 | 42225012022001 |
7 | 4103513544142 |
oct | 654270631721 |
9 | 174354363131 |
10 | 57493631953 |
11 | 2242372470a |
12 | b186601901 |
13 | 556340b384 |
14 | 2ad5a65ac9 |
15 | 17676ba31d |
hex | d62e333d1 |
57493631953 has 2 divisors, whose sum is σ = 57493631954. Its totient is φ = 57493631952.
The previous prime is 57493631929. The next prime is 57493632011. The reversal of 57493631953 is 35913639475.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 55437644304 + 2055987649 = 235452^2 + 45343^2 .
It is a cyclic number.
It is not a de Polignac number, because 57493631953 - 217 = 57493500881 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 57493631894 and 57493631903.
It is not a weakly prime, because it can be changed into another prime (57493631753) 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, 28746815976 + 28746815977.
It is an arithmetic number, because the mean of its divisors is an integer number (28746815977).
Almost surely, 257493631953 is an apocalyptic number.
It is an amenable number.
57493631953 is a deficient number, since it is larger than the sum of its proper divisors (1).
57493631953 is an equidigital number, since it uses as much as digits as its factorization.
57493631953 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 9185400, while the sum is 55.
The spelling of 57493631953 in words is "fifty-seven billion, four hundred ninety-three million, six hundred thirty-one thousand, nine hundred fifty-three".
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