Base | Representation |
---|---|
bin | 10110011010010101… |
… | …11001010110100111 |
3 | 1011001112120001000122 |
4 | 23031022321112213 |
5 | 144120210321411 |
6 | 5305534032155 |
7 | 604111222505 |
oct | 131512712647 |
9 | 34045501018 |
10 | 12032120231 |
11 | 511490001a |
12 | 23b964865b |
13 | 11999cc891 |
14 | 821dbd675 |
15 | 4a64b79db |
hex | 2cd2b95a7 |
12032120231 has 2 divisors, whose sum is σ = 12032120232. Its totient is φ = 12032120230.
The previous prime is 12032120197. The next prime is 12032120237. The reversal of 12032120231 is 13202123021.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12032120231 - 214 = 12032103847 is a prime.
It is a super-2 number, since 2×120321202312 (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 (12032120237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6016060115 + 6016060116.
It is an arithmetic number, because the mean of its divisors is an integer number (6016060116).
Almost surely, 212032120231 is an apocalyptic number.
12032120231 is a deficient number, since it is larger than the sum of its proper divisors (1).
12032120231 is an equidigital number, since it uses as much as digits as its factorization.
12032120231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 12032120231 its reverse (13202123021), we get a palindrome (25234243252).
The spelling of 12032120231 in words is "twelve billion, thirty-two million, one hundred twenty thousand, two hundred thirty-one".
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