Base | Representation |
---|---|
bin | 10110111010111110… |
… | …00011010100001001 |
3 | 1011202121121102002111 |
4 | 23131133003110021 |
5 | 200200243324434 |
6 | 5353032502321 |
7 | 613643623465 |
oct | 133537032411 |
9 | 34677542074 |
10 | 12305839369 |
11 | 524536428a |
12 | 247524a9a1 |
13 | 1211628475 |
14 | 84a4b14a5 |
15 | 4c0534964 |
hex | 2dd7c3509 |
12305839369 has 2 divisors, whose sum is σ = 12305839370. Its totient is φ = 12305839368.
The previous prime is 12305839367. The next prime is 12305839393. The reversal of 12305839369 is 96393850321.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12090102025 + 215737344 = 109955^2 + 14688^2 .
It is a cyclic number.
It is not a de Polignac number, because 12305839369 - 21 = 12305839367 is a prime.
It is a super-2 number, since 2×123058393692 (a number of 21 digits) contains 22 as substring.
Together with 12305839367, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (12305839363) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6152919684 + 6152919685.
It is an arithmetic number, because the mean of its divisors is an integer number (6152919685).
Almost surely, 212305839369 is an apocalyptic number.
It is an amenable number.
12305839369 is a deficient number, since it is larger than the sum of its proper divisors (1).
12305839369 is an equidigital number, since it uses as much as digits as its factorization.
12305839369 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1049760, while the sum is 49.
The spelling of 12305839369 in words is "twelve billion, three hundred five million, eight hundred thirty-nine thousand, three hundred sixty-nine".
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