Base | Representation |
---|---|
bin | 101110111100… |
… | …111001111001 |
3 | 212011022112011 |
4 | 232330321321 |
5 | 11122324324 |
6 | 1115445521 |
7 | 206421433 |
oct | 56747171 |
9 | 25138464 |
10 | 12308089 |
11 | 6a47282 |
12 | 41568a1 |
13 | 271c2c1 |
14 | 18c5653 |
15 | 1131c94 |
hex | bbce79 |
12308089 has 2 divisors, whose sum is σ = 12308090. Its totient is φ = 12308088.
The previous prime is 12308083. The next prime is 12308113. The reversal of 12308089 is 98080321.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12306064 + 2025 = 3508^2 + 45^2 .
It is an emirp because it is prime and its reverse (98080321) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12308089 - 25 = 12308057 is a prime.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12308089.
It is not a weakly prime, because it can be changed into another prime (12308083) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6154044 + 6154045.
It is an arithmetic number, because the mean of its divisors is an integer number (6154045).
Almost surely, 212308089 is an apocalyptic number.
It is an amenable number.
12308089 is a deficient number, since it is larger than the sum of its proper divisors (1).
12308089 is an equidigital number, since it uses as much as digits as its factorization.
12308089 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3456, while the sum is 31.
The square root of 12308089 is about 3508.2886141251. The cubic root of 12308089 is about 230.8856151769.
The spelling of 12308089 in words is "twelve million, three hundred eight thousand, eighty-nine".
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