Base | Representation |
---|---|
bin | 101110111100… |
… | …111010011011 |
3 | 212011022120102 |
4 | 232330322123 |
5 | 11122324443 |
6 | 1115450015 |
7 | 206421512 |
oct | 56747233 |
9 | 25138512 |
10 | 12308123 |
11 | 6a47303 |
12 | 415690b |
13 | 271c319 |
14 | 18c5679 |
15 | 1131cb8 |
hex | bbce9b |
12308123 has 2 divisors, whose sum is σ = 12308124. Its totient is φ = 12308122.
The previous prime is 12308117. The next prime is 12308141. The reversal of 12308123 is 32180321.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12308123 - 212 = 12304027 is a prime.
It is a Sophie Germain prime.
It is a junction number, because it is equal to n+sod(n) for n = 12308095 and 12308104.
It is not a weakly prime, because it can be changed into another prime (12308113) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6154061 + 6154062.
It is an arithmetic number, because the mean of its divisors is an integer number (6154062).
Almost surely, 212308123 is an apocalyptic number.
12308123 is a deficient number, since it is larger than the sum of its proper divisors (1).
12308123 is an equidigital number, since it uses as much as digits as its factorization.
12308123 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 12308123 is about 3508.2934597892. The cubic root of 12308123 is about 230.8858277770.
Adding to 12308123 its reverse (32180321), we get a palindrome (44488444).
The spelling of 12308123 in words is "twelve million, three hundred eight thousand, one hundred twenty-three".
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