Base | Representation |
---|---|
bin | 1111000101101… |
… | …0111000011101 |
3 | 11102002022012001 |
4 | 3301122320131 |
5 | 112200134223 |
6 | 10140242301 |
7 | 1365633442 |
oct | 361327035 |
9 | 142068161 |
10 | 63286813 |
11 | 327a6357 |
12 | 19240391 |
13 | 1015b025 |
14 | 85959c9 |
15 | 58519ad |
hex | 3c5ae1d |
63286813 has 2 divisors, whose sum is σ = 63286814. Its totient is φ = 63286812.
The previous prime is 63286807. The next prime is 63286819. The reversal of 63286813 is 31868236.
It is a balanced prime because it is at equal distance from previous prime (63286807) and next prime (63286819).
It can be written as a sum of positive squares in only one way, i.e., 61889689 + 1397124 = 7867^2 + 1182^2 .
It is a cyclic number.
It is not a de Polignac number, because 63286813 - 25 = 63286781 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (63286819) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31643406 + 31643407.
It is an arithmetic number, because the mean of its divisors is an integer number (31643407).
Almost surely, 263286813 is an apocalyptic number.
It is an amenable number.
63286813 is a deficient number, since it is larger than the sum of its proper divisors (1).
63286813 is an equidigital number, since it uses as much as digits as its factorization.
63286813 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 41472, while the sum is 37.
The square root of 63286813 is about 7955.3009371111. The cubic root of 63286813 is about 398.5086402759.
The spelling of 63286813 in words is "sixty-three million, two hundred eighty-six thousand, eight hundred thirteen".
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