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68013343 is a prime number
BaseRepresentation
bin1000000110111…
…00110100011111
311201222102202201
410003130310133
5114402411333
610425432331
71454050426
oct403346437
9151872681
1068013343
1135434482
121a93b6a7
13111244a8
1490662bd
155e8717d
hex40dcd1f

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".