Base | Representation |
---|---|
bin | 111111011011111… |
… | …1010000000100111 |
3 | 12111100022022022222 |
4 | 1332313322000213 |
5 | 13324404202433 |
6 | 551114542555 |
7 | 103514446265 |
oct | 17667720047 |
9 | 5440268288 |
10 | 2128584743 |
11 | 9a259224a |
12 | 4b4a37a5b |
13 | 27bcb88cc |
14 | 1629ab435 |
15 | c6d11b98 |
hex | 7edfa027 |
2128584743 has 2 divisors, whose sum is σ = 2128584744. Its totient is φ = 2128584742.
The previous prime is 2128584737. The next prime is 2128584791. The reversal of 2128584743 is 3474858212.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2128584743 - 24 = 2128584727 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2128584694 and 2128584703.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2128584043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064292371 + 1064292372.
It is an arithmetic number, because the mean of its divisors is an integer number (1064292372).
Almost surely, 22128584743 is an apocalyptic number.
2128584743 is a deficient number, since it is larger than the sum of its proper divisors (1).
2128584743 is an equidigital number, since it uses as much as digits as its factorization.
2128584743 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 430080, while the sum is 44.
The square root of 2128584743 is about 46136.5878994102. The cubic root of 2128584743 is about 1286.3633212494.
The spelling of 2128584743 in words is "two billion, one hundred twenty-eight million, five hundred eighty-four thousand, seven hundred forty-three".
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