Base | Representation |
---|---|
bin | 10111000000101010… |
… | …10010100111000111 |
3 | 1011212221111112010202 |
4 | 23200111102213013 |
5 | 200300011042411 |
6 | 5401500441115 |
7 | 615063654122 |
oct | 134025224707 |
9 | 34787445122 |
10 | 12353612231 |
11 | 526a323794 |
12 | 248924919b |
13 | 121b4b3c2c |
14 | 8529893b9 |
15 | 4c481e83b |
hex | 2e05529c7 |
12353612231 has 2 divisors, whose sum is σ = 12353612232. Its totient is φ = 12353612230.
The previous prime is 12353612197. The next prime is 12353612233. The reversal of 12353612231 is 13221635321.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12353612231 - 214 = 12353595847 is a prime.
It is a super-2 number, since 2×123536122312 (a number of 21 digits) contains 22 as substring.
It is a Sophie Germain prime.
Together with 12353612233, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 12353612194 and 12353612203.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12353612233) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6176806115 + 6176806116.
It is an arithmetic number, because the mean of its divisors is an integer number (6176806116).
Almost surely, 212353612231 is an apocalyptic number.
12353612231 is a deficient number, since it is larger than the sum of its proper divisors (1).
12353612231 is an equidigital number, since it uses as much as digits as its factorization.
12353612231 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6480, while the sum is 29.
The spelling of 12353612231 in words is "twelve billion, three hundred fifty-three million, six hundred twelve thousand, two hundred thirty-one".
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