Base | Representation |
---|---|
bin | 111110111100111… |
… | …0001101110110011 |
3 | 12110012122211222211 |
4 | 1331321301232303 |
5 | 13311222013112 |
6 | 545333512551 |
7 | 103226143636 |
oct | 17571615663 |
9 | 5405584884 |
10 | 2112297907 |
11 | 994378755 |
12 | 4ab4a2757 |
13 | 278805625 |
14 | 16076bc1d |
15 | c56960a7 |
hex | 7de71bb3 |
2112297907 has 2 divisors, whose sum is σ = 2112297908. Its totient is φ = 2112297906.
The previous prime is 2112297857. The next prime is 2112297919. The reversal of 2112297907 is 7097922112.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2112297907 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2112297907.
It is not a weakly prime, because it can be changed into another prime (2112297947) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056148953 + 1056148954.
It is an arithmetic number, because the mean of its divisors is an integer number (1056148954).
Almost surely, 22112297907 is an apocalyptic number.
2112297907 is a deficient number, since it is larger than the sum of its proper divisors (1).
2112297907 is an equidigital number, since it uses as much as digits as its factorization.
2112297907 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 31752, while the sum is 40.
The square root of 2112297907 is about 45959.7422425322. The cubic root of 2112297907 is about 1283.0740540946.
The spelling of 2112297907 in words is "two billion, one hundred twelve million, two hundred ninety-seven thousand, nine hundred seven".
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