Base | Representation |
---|---|
bin | 101111110010011000… |
… | …100001000100110011 |
3 | 11220102221222200001002 |
4 | 233302120201010303 |
5 | 1320041123402314 |
6 | 35323320032215 |
7 | 3464352415406 |
oct | 576230410463 |
9 | 156387880032 |
10 | 51311153459 |
11 | 1a840899055 |
12 | 9b4000266b |
13 | 4ab95b1587 |
14 | 26aa915d3d |
15 | 1504a39ade |
hex | bf2621133 |
51311153459 has 2 divisors, whose sum is σ = 51311153460. Its totient is φ = 51311153458.
The previous prime is 51311153419. The next prime is 51311153461. The reversal of 51311153459 is 95435111315.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 51311153459 - 220 = 51310104883 is a prime.
Together with 51311153461, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (51311153419) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25655576729 + 25655576730.
It is an arithmetic number, because the mean of its divisors is an integer number (25655576730).
Almost surely, 251311153459 is an apocalyptic number.
51311153459 is a deficient number, since it is larger than the sum of its proper divisors (1).
51311153459 is an equidigital number, since it uses as much as digits as its factorization.
51311153459 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 40500, while the sum is 38.
The spelling of 51311153459 in words is "fifty-one billion, three hundred eleven million, one hundred fifty-three thousand, four hundred fifty-nine".
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