Base | Representation |
---|---|
bin | 10100110010100110000… |
… | …110100000101011001011 |
3 | 12001120202122221222022002 |
4 | 110302212012200223023 |
5 | 141402002230214302 |
6 | 3012202031221215 |
7 | 205135624331264 |
oct | 24624606405313 |
9 | 5046678858262 |
10 | 1428715866827 |
11 | 500a07951037 |
12 | 1b0a8a07780b |
13 | a495bc2b052 |
14 | 4d2162a396b |
15 | 2726e17ec02 |
hex | 14ca61a0acb |
1428715866827 has 2 divisors, whose sum is σ = 1428715866828. Its totient is φ = 1428715866826.
The previous prime is 1428715866733. The next prime is 1428715866881. The reversal of 1428715866827 is 7286685178241.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1428715866827 - 218 = 1428715604683 is a prime.
It is not a weakly prime, because it can be changed into another prime (1428715566827) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714357933413 + 714357933414.
It is an arithmetic number, because the mean of its divisors is an integer number (714357933414).
Almost surely, 21428715866827 is an apocalyptic number.
1428715866827 is a deficient number, since it is larger than the sum of its proper divisors (1).
1428715866827 is an equidigital number, since it uses as much as digits as its factorization.
1428715866827 is an evil number, because the sum of its binary digits is even.
The product of its digits is 72253440, while the sum is 65.
The spelling of 1428715866827 in words is "one trillion, four hundred twenty-eight billion, seven hundred fifteen million, eight hundred sixty-six thousand, eight hundred twenty-seven".
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