Base | Representation |
---|---|
bin | 1111010000110… |
… | …0111101011011 |
3 | 11110110100202002 |
4 | 3310030331123 |
5 | 112342004334 |
6 | 10204031215 |
7 | 1405062131 |
oct | 364147533 |
9 | 143410662 |
10 | 64016219 |
11 | 33154373 |
12 | 1953250b |
13 | 10355027 |
14 | 8705751 |
15 | 5947b7e |
hex | 3d0cf5b |
64016219 has 2 divisors, whose sum is σ = 64016220. Its totient is φ = 64016218.
The previous prime is 64016201. The next prime is 64016221. The reversal of 64016219 is 91261046.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-64016219 is a prime.
It is a super-2 number, since 2×640162192 = 8196152590111922, which contains 22 as substring.
It is a Sophie Germain prime.
Together with 64016221, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 64016191 and 64016200.
It is not a weakly prime, because it can be changed into another prime (64016269) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32008109 + 32008110.
It is an arithmetic number, because the mean of its divisors is an integer number (32008110).
Almost surely, 264016219 is an apocalyptic number.
64016219 is a deficient number, since it is larger than the sum of its proper divisors (1).
64016219 is an equidigital number, since it uses as much as digits as its factorization.
64016219 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 64016219 is about 8001.0136232855. The cubic root of 64016219 is about 400.0337867294.
The spelling of 64016219 in words is "sixty-four million, sixteen thousand, two hundred nineteen".
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