Base | Representation |
---|---|
bin | 10110111011101101… |
… | …11110101111011101 |
3 | 1011210001102002122121 |
4 | 23131312332233131 |
5 | 200203400041333 |
6 | 5353415142541 |
7 | 614051140351 |
oct | 133566765735 |
9 | 34701362577 |
10 | 12312112093 |
11 | 5248959056 |
12 | 2477374a51 |
13 | 1212a13638 |
14 | 84b265461 |
15 | 4c0d7332d |
hex | 2dddbebdd |
12312112093 has 2 divisors, whose sum is σ = 12312112094. Its totient is φ = 12312112092.
The previous prime is 12312112091. The next prime is 12312112103. The reversal of 12312112093 is 39021121321.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 8413108729 + 3899003364 = 91723^2 + 62442^2 .
It is a cyclic number.
It is not a de Polignac number, because 12312112093 - 21 = 12312112091 is a prime.
Together with 12312112091, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12312112091) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156056046 + 6156056047.
It is an arithmetic number, because the mean of its divisors is an integer number (6156056047).
Almost surely, 212312112093 is an apocalyptic number.
It is an amenable number.
12312112093 is a deficient number, since it is larger than the sum of its proper divisors (1).
12312112093 is an equidigital number, since it uses as much as digits as its factorization.
12312112093 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 648, while the sum is 25.
The spelling of 12312112093 in words is "twelve billion, three hundred twelve million, one hundred twelve thousand, ninety-three".
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