Base | Representation |
---|---|
bin | 111110101111001… |
… | …0000100110000011 |
3 | 12102201002100202212 |
4 | 1331132100212003 |
5 | 13302400144131 |
6 | 544515132335 |
7 | 103110630662 |
oct | 17536204603 |
9 | 5381070685 |
10 | 2105084291 |
11 | 9902a0a92 |
12 | 4a8ba40ab |
13 | 27717b10b |
14 | 15d810dd9 |
15 | c4c1da2b |
hex | 7d790983 |
2105084291 has 2 divisors, whose sum is σ = 2105084292. Its totient is φ = 2105084290.
The previous prime is 2105084239. The next prime is 2105084299. The reversal of 2105084291 is 1924805012.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2105084291 - 26 = 2105084227 is a prime.
It is not a weakly prime, because it can be changed into another prime (2105084299) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052542145 + 1052542146.
It is an arithmetic number, because the mean of its divisors is an integer number (1052542146).
Almost surely, 22105084291 is an apocalyptic number.
2105084291 is a deficient number, since it is larger than the sum of its proper divisors (1).
2105084291 is an equidigital number, since it uses as much as digits as its factorization.
2105084291 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5760, while the sum is 32.
The square root of 2105084291 is about 45881.1975759134. The cubic root of 2105084291 is about 1281.6117982790.
The spelling of 2105084291 in words is "two billion, one hundred five million, eighty-four thousand, two hundred ninety-one".
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