Base | Representation |
---|---|
bin | 1001111001000010… |
… | …10011011111000101 |
3 | 111201002022202102022 |
4 | 10330201103133011 |
5 | 41333421041241 |
6 | 2234534452525 |
7 | 245411032025 |
oct | 47441233705 |
9 | 14632282368 |
10 | 5310330821 |
11 | 22855a8164 |
12 | 1042504145 |
13 | 6682359b3 |
14 | 3853a3a85 |
15 | 21130654b |
hex | 13c8537c5 |
5310330821 has 2 divisors, whose sum is σ = 5310330822. Its totient is φ = 5310330820.
The previous prime is 5310330799. The next prime is 5310330859. The reversal of 5310330821 is 1280330135.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 4548018721 + 762312100 = 67439^2 + 27610^2 .
It is a cyclic number.
It is not a de Polignac number, because 5310330821 - 26 = 5310330757 is a prime.
It is a super-2 number, since 2×53103308212 = 56399226856925068082, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (5310336821) 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 as a sum of consecutive naturals, namely, 2655165410 + 2655165411.
It is an arithmetic number, because the mean of its divisors is an integer number (2655165411).
Almost surely, 25310330821 is an apocalyptic number.
It is an amenable number.
5310330821 is a deficient number, since it is larger than the sum of its proper divisors (1).
5310330821 is an equidigital number, since it uses as much as digits as its factorization.
5310330821 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2160, while the sum is 26.
The square root of 5310330821 is about 72872.0167210981. The cubic root of 5310330821 is about 1744.6454914852.
Adding to 5310330821 its reverse (1280330135), we get a palindrome (6590660956).
The spelling of 5310330821 in words is "five billion, three hundred ten million, three hundred thirty thousand, eight hundred twenty-one".
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