Base | Representation |
---|---|
bin | 1000000110111… |
… | …00110100011111 |
3 | 11201222102202201 |
4 | 10003130310133 |
5 | 114402411333 |
6 | 10425432331 |
7 | 1454050426 |
oct | 403346437 |
9 | 151872681 |
10 | 68013343 |
11 | 35434482 |
12 | 1a93b6a7 |
13 | 111244a8 |
14 | 90662bd |
15 | 5e8717d |
hex | 40dcd1f |
68013343 has 2 divisors, whose sum is σ = 68013344. Its totient is φ = 68013342.
The previous prime is 68013329. The next prime is 68013359. The reversal of 68013343 is 34331086.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 68013343 - 29 = 68012831 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68013313) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34006671 + 34006672.
It is an arithmetic number, because the mean of its divisors is an integer number (34006672).
Almost surely, 268013343 is an apocalyptic number.
68013343 is a deficient number, since it is larger than the sum of its proper divisors (1).
68013343 is an equidigital number, since it uses as much as digits as its factorization.
68013343 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 5184, while the sum is 28.
The square root of 68013343 is about 8247.0202497629. The cubic root of 68013343 is about 408.1922052713.
The spelling of 68013343 in words is "sixty-eight million, thirteen thousand, three hundred forty-three".
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