Base | Representation |
---|---|
bin | 10110110011010000… |
… | …10000011010011001 |
3 | 1011121002212111222022 |
4 | 23121220100122121 |
5 | 200032213042244 |
6 | 5342402104225 |
7 | 612230000603 |
oct | 133150203231 |
9 | 34532774868 |
10 | 12241143449 |
11 | 5211896287 |
12 | 245764b075 |
13 | 12010c5c62 |
14 | 841a70173 |
15 | 4b9a056ee |
hex | 2d9a10699 |
12241143449 has 2 divisors, whose sum is σ = 12241143450. Its totient is φ = 12241143448.
The previous prime is 12241143419. The next prime is 12241143451. The reversal of 12241143449 is 94434114221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10850972224 + 1390171225 = 104168^2 + 37285^2 .
It is an emirp because it is prime and its reverse (94434114221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12241143449 - 216 = 12241077913 is a prime.
Together with 12241143451, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (12241143419) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6120571724 + 6120571725.
It is an arithmetic number, because the mean of its divisors is an integer number (6120571725).
Almost surely, 212241143449 is an apocalyptic number.
It is an amenable number.
12241143449 is a deficient number, since it is larger than the sum of its proper divisors (1).
12241143449 is an equidigital number, since it uses as much as digits as its factorization.
12241143449 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 27648, while the sum is 35.
The spelling of 12241143449 in words is "twelve billion, two hundred forty-one million, one hundred forty-three thousand, four hundred forty-nine".
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