Base | Representation |
---|---|
bin | 10110011110101101… |
… | …01111010110110001 |
3 | 1011011002112112000011 |
4 | 23033112233112301 |
5 | 144204101420231 |
6 | 5313323454521 |
7 | 605034634615 |
oct | 131726572661 |
9 | 34132475004 |
10 | 12068779441 |
11 | 5133569694 |
12 | 2409987441 |
13 | 11a4496914 |
14 | 826c03345 |
15 | 4a98099b1 |
hex | 2cf5af5b1 |
12068779441 has 2 divisors, whose sum is σ = 12068779442. Its totient is φ = 12068779440.
The previous prime is 12068779391. The next prime is 12068779453. The reversal of 12068779441 is 14497786021.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 10308137841 + 1760641600 = 101529^2 + 41960^2 .
It is an emirp because it is prime and its reverse (14497786021) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12068779441 - 27 = 12068779313 is a prime.
It is not a weakly prime, because it can be changed into another prime (12068779741) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6034389720 + 6034389721.
It is an arithmetic number, because the mean of its divisors is an integer number (6034389721).
Almost surely, 212068779441 is an apocalyptic number.
It is an amenable number.
12068779441 is a deficient number, since it is larger than the sum of its proper divisors (1).
12068779441 is an equidigital number, since it uses as much as digits as its factorization.
12068779441 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 677376, while the sum is 49.
The spelling of 12068779441 in words is "twelve billion, sixty-eight million, seven hundred seventy-nine thousand, four hundred forty-one".
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