Base | Representation |
---|---|
bin | 10111000000110000… |
… | …00011001011000111 |
3 | 1011212222212021011221 |
4 | 23200120003023013 |
5 | 200300202213211 |
6 | 5401524141211 |
7 | 615103055434 |
oct | 134030031307 |
9 | 34788767157 |
10 | 12354335431 |
11 | 526a778079 |
12 | 2489537807 |
13 | 121b6a8169 |
14 | 852ad6b8b |
15 | 4c4913c71 |
hex | 2e06032c7 |
12354335431 has 2 divisors, whose sum is σ = 12354335432. Its totient is φ = 12354335430.
The previous prime is 12354335417. The next prime is 12354335459. The reversal of 12354335431 is 13453345321.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12354335431 - 27 = 12354335303 is a prime.
It is a super-2 number, since 2×123543354312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12354338431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6177167715 + 6177167716.
It is an arithmetic number, because the mean of its divisors is an integer number (6177167716).
Almost surely, 212354335431 is an apocalyptic number.
12354335431 is a deficient number, since it is larger than the sum of its proper divisors (1).
12354335431 is an equidigital number, since it uses as much as digits as its factorization.
12354335431 is an evil number, because the sum of its binary digits is even.
The product of its digits is 64800, while the sum is 34.
The spelling of 12354335431 in words is "twelve billion, three hundred fifty-four million, three hundred thirty-five thousand, four hundred thirty-one".
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