Base | Representation |
---|---|
bin | 10111000111101011… |
… | …01010111101100111 |
3 | 1012001001011220000021 |
4 | 23203311222331213 |
5 | 200410040312411 |
6 | 5411401300011 |
7 | 616406635033 |
oct | 134365527547 |
9 | 35031156007 |
10 | 12412432231 |
11 | 529a549061 |
12 | 24a4a94607 |
13 | 122a739a74 |
14 | 85a6db1c3 |
15 | 4c9a8ca71 |
hex | 2e3d6af67 |
12412432231 has 2 divisors, whose sum is σ = 12412432232. Its totient is φ = 12412432230.
The previous prime is 12412432211. The next prime is 12412432237. The reversal of 12412432231 is 13223421421.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12412432231 - 217 = 12412301159 is a prime.
It is a super-2 number, since 2×124124322312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12412432196 and 12412432205.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12412432237) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6206216115 + 6206216116.
It is an arithmetic number, because the mean of its divisors is an integer number (6206216116).
Almost surely, 212412432231 is an apocalyptic number.
12412432231 is a deficient number, since it is larger than the sum of its proper divisors (1).
12412432231 is an equidigital number, since it uses as much as digits as its factorization.
12412432231 is an evil number, because the sum of its binary digits is even.
The product of its digits is 2304, while the sum is 25.
Adding to 12412432231 its reverse (13223421421), we get a palindrome (25635853652).
The spelling of 12412432231 in words is "twelve billion, four hundred twelve million, four hundred thirty-two thousand, two hundred thirty-one".
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