Base | Representation |
---|---|
bin | 11100001001111011… |
… | …010001000001100011 |
3 | 2220000212112021101212 |
4 | 130021323101001203 |
5 | 443403203132433 |
6 | 21515453420335 |
7 | 2120105554262 |
oct | 341173210143 |
9 | 86025467355 |
10 | 30231302243 |
11 | 1190386690a |
12 | 5a3849a6ab |
13 | 2b0a28c02c |
14 | 166b0585d9 |
15 | bbe0b7d48 |
hex | 709ed1063 |
30231302243 has 2 divisors, whose sum is σ = 30231302244. Its totient is φ = 30231302242.
The previous prime is 30231302203. The next prime is 30231302323. The reversal of 30231302243 is 34220313203.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30231302243 - 224 = 30214525027 is a prime.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (30231302203) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115651121 + 15115651122.
It is an arithmetic number, because the mean of its divisors is an integer number (15115651122).
Almost surely, 230231302243 is an apocalyptic number.
30231302243 is a deficient number, since it is larger than the sum of its proper divisors (1).
30231302243 is an equidigital number, since it uses as much as digits as its factorization.
30231302243 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2592, while the sum is 23.
Adding to 30231302243 its reverse (34220313203), we get a palindrome (64451615446).
The spelling of 30231302243 in words is "thirty billion, two hundred thirty-one million, three hundred two thousand, two hundred forty-three".
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