Base | Representation |
---|---|
bin | 11100010101110010… |
… | …000111111100000001 |
3 | 2220112201211222011112 |
4 | 130111302013330001 |
5 | 444310114413241 |
6 | 21551321253105 |
7 | 2125042464326 |
oct | 342562077401 |
9 | 86481758145 |
10 | 30430232321 |
11 | 119a6088a35 |
12 | 5a93034195 |
13 | 2b3c560338 |
14 | 168963cb4d |
15 | bd17b01eb |
hex | 715c87f01 |
30430232321 has 2 divisors, whose sum is σ = 30430232322. Its totient is φ = 30430232320.
The previous prime is 30430232309. The next prime is 30430232333. The reversal of 30430232321 is 12323203403.
It is a balanced prime because it is at equal distance from previous prime (30430232309) and next prime (30430232333).
It can be written as a sum of positive squares in only one way, i.e., 24781056400 + 5649175921 = 157420^2 + 75161^2 .
It is a cyclic number.
It is not a de Polignac number, because 30430232321 - 230 = 29356490497 is a prime.
It is a super-2 number, since 2×304302323212 (a number of 22 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (30430232351) 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, 15215116160 + 15215116161.
It is an arithmetic number, because the mean of its divisors is an integer number (15215116161).
Almost surely, 230430232321 is an apocalyptic number.
It is an amenable number.
30430232321 is a deficient number, since it is larger than the sum of its proper divisors (1).
30430232321 is an equidigital number, since it uses as much as digits as its factorization.
30430232321 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2592, while the sum is 23.
Adding to 30430232321 its reverse (12323203403), we get a palindrome (42753435724).
The spelling of 30430232321 in words is "thirty billion, four hundred thirty million, two hundred thirty-two thousand, three hundred twenty-one".
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