Base | Representation |
---|---|
bin | 11100001001100001… |
… | …000011100011010001 |
3 | 2220000101121012020222 |
4 | 130021201003203101 |
5 | 443344423300223 |
6 | 21515050242425 |
7 | 2116663266356 |
oct | 341141034321 |
9 | 86011535228 |
10 | 30224431313 |
11 | 118aa9a365a |
12 | 5a36126415 |
13 | 2b08a247ab |
14 | 166a18a62d |
15 | bbd6ac0c8 |
hex | 7098438d1 |
30224431313 has 2 divisors, whose sum is σ = 30224431314. Its totient is φ = 30224431312.
The previous prime is 30224431213. The next prime is 30224431337. The reversal of 30224431313 is 31313442203.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 29627704129 + 596727184 = 172127^2 + 24428^2 .
It is a cyclic number.
It is not a de Polignac number, because 30224431313 - 224 = 30207654097 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (30224431213) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15112215656 + 15112215657.
It is an arithmetic number, because the mean of its divisors is an integer number (15112215657).
Almost surely, 230224431313 is an apocalyptic number.
It is an amenable number.
30224431313 is a deficient number, since it is larger than the sum of its proper divisors (1).
30224431313 is an equidigital number, since it uses as much as digits as its factorization.
30224431313 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5184, while the sum is 26.
Adding to 30224431313 its reverse (31313442203), we get a palindrome (61537873516).
The spelling of 30224431313 in words is "thirty billion, two hundred twenty-four million, four hundred thirty-one thousand, three hundred thirteen".
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