Base | Representation |
---|---|
bin | 1010101000101010… |
… | …1010011010001111 |
3 | 21100222001001120002 |
4 | 2222022222122033 |
5 | 21321324444441 |
6 | 1151142514515 |
7 | 130514302244 |
oct | 25212523217 |
9 | 7328031502 |
10 | 2854921871 |
11 | 123559006a |
12 | 678135a3b |
13 | 3666199a9 |
14 | 1d123d5cb |
15 | 11a987b9b |
hex | aa2aa68f |
2854921871 has 2 divisors, whose sum is σ = 2854921872. Its totient is φ = 2854921870.
The previous prime is 2854921789. The next prime is 2854921873. The reversal of 2854921871 is 1781294582.
2854921871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2854921871 - 210 = 2854920847 is a prime.
It is a Sophie Germain prime.
Together with 2854921873, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2854921873) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1427460935 + 1427460936.
It is an arithmetic number, because the mean of its divisors is an integer number (1427460936).
Almost surely, 22854921871 is an apocalyptic number.
2854921871 is a deficient number, since it is larger than the sum of its proper divisors (1).
2854921871 is an equidigital number, since it uses as much as digits as its factorization.
2854921871 is an evil number, because the sum of its binary digits is even.
The product of its digits is 322560, while the sum is 47.
The square root of 2854921871 is about 53431.4689204779. The cubic root of 2854921871 is about 1418.6156367001.
The spelling of 2854921871 in words is "two billion, eight hundred fifty-four million, nine hundred twenty-one thousand, eight hundred seventy-one".
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