Base | Representation |
---|---|
bin | 1010101001001100… |
… | …0001101100010011 |
3 | 21101010011110010101 |
4 | 2222103001230103 |
5 | 21322410130022 |
6 | 1151301513231 |
7 | 130542033361 |
oct | 25223015423 |
9 | 7333143111 |
10 | 2857114387 |
11 | 1236848366 |
12 | 678a12817 |
13 | 366c0693a |
14 | 1d1650631 |
15 | 11ac6c627 |
hex | aa4c1b13 |
2857114387 has 2 divisors, whose sum is σ = 2857114388. Its totient is φ = 2857114386.
The previous prime is 2857114331. The next prime is 2857114409. The reversal of 2857114387 is 7834117582.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 2857114387 - 27 = 2857114259 is a prime.
It is not a weakly prime, because it can be changed into another prime (2857114787) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1428557193 + 1428557194.
It is an arithmetic number, because the mean of its divisors is an integer number (1428557194).
Almost surely, 22857114387 is an apocalyptic number.
2857114387 is a deficient number, since it is larger than the sum of its proper divisors (1).
2857114387 is an equidigital number, since it uses as much as digits as its factorization.
2857114387 is an evil number, because the sum of its binary digits is even.
The product of its digits is 376320, while the sum is 46.
The square root of 2857114387 is about 53451.9820680206. The cubic root of 2857114387 is about 1418.9786987777.
The spelling of 2857114387 in words is "two billion, eight hundred fifty-seven million, one hundred fourteen thousand, three hundred eighty-seven".
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