Base | Representation |
---|---|
bin | 10100101101110111… |
… | …10111110100101011 |
3 | 1001201010101220202221 |
4 | 22112323313310223 |
5 | 140234241242024 |
6 | 5035351334511 |
7 | 542422146313 |
oct | 122673676453 |
9 | 31633356687 |
10 | 11122212139 |
11 | 4798220665 |
12 | 21a4981437 |
13 | 108334741c |
14 | 777204443 |
15 | 4516803e4 |
hex | 296ef7d2b |
11122212139 has 2 divisors, whose sum is σ = 11122212140. Its totient is φ = 11122212138.
The previous prime is 11122212119. The next prime is 11122212151. The reversal of 11122212139 is 93121222111.
It is a strong prime.
It is an emirp because it is prime and its reverse (93121222111) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 11122212139 - 223 = 11113823531 is a prime.
It is not a weakly prime, because it can be changed into another prime (11122212109) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561106069 + 5561106070.
It is an arithmetic number, because the mean of its divisors is an integer number (5561106070).
Almost surely, 211122212139 is an apocalyptic number.
11122212139 is a deficient number, since it is larger than the sum of its proper divisors (1).
11122212139 is an equidigital number, since it uses as much as digits as its factorization.
11122212139 is an evil number, because the sum of its binary digits is even.
The product of its digits is 432, while the sum is 25.
The spelling of 11122212139 in words is "eleven billion, one hundred twenty-two million, two hundred twelve thousand, one hundred thirty-nine".
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