Base | Representation |
---|---|
bin | 10111001000110110… |
… | …10111010110101111 |
3 | 1012001201202220102011 |
4 | 23210123113112233 |
5 | 200420103012031 |
6 | 5412353142051 |
7 | 616556631055 |
oct | 134433272657 |
9 | 35051686364 |
10 | 12422313391 |
11 | 52a5087a04 |
12 | 24a825a927 |
13 | 122c7b94c7 |
14 | 85bb501d5 |
15 | 4ca8906b1 |
hex | 2e46d75af |
12422313391 has 2 divisors, whose sum is σ = 12422313392. Its totient is φ = 12422313390.
The previous prime is 12422313361. The next prime is 12422313413. The reversal of 12422313391 is 19331322421.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12422313391 - 25 = 12422313359 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12422313331) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6211156695 + 6211156696.
It is an arithmetic number, because the mean of its divisors is an integer number (6211156696).
Almost surely, 212422313391 is an apocalyptic number.
12422313391 is a deficient number, since it is larger than the sum of its proper divisors (1).
12422313391 is an equidigital number, since it uses as much as digits as its factorization.
12422313391 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 7776, while the sum is 31.
The spelling of 12422313391 in words is "twelve billion, four hundred twenty-two million, three hundred thirteen thousand, three hundred ninety-one".
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