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68013341 = 1114474273
BaseRepresentation
bin1000000110111…
…00110100011101
311201222102202122
410003130310131
5114402411331
610425432325
71454050424
oct403346435
9151872678
1068013341
1135434480
121a93b6a5
13111244a6
1490662bb
155e8717b
hex40dcd1d

68013341 has 8 divisors (see below), whose sum is σ = 74265024. Its totient is φ = 61773120.

The previous prime is 68013329. The next prime is 68013343. The reversal of 68013341 is 14331086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-68013341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68013341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68013343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13781 + ... + 18053.

It is an arithmetic number, because the mean of its divisors is an integer number (9283128).

Almost surely, 268013341 is an apocalyptic number.

It is an amenable number.

68013341 is a deficient number, since it is larger than the sum of its proper divisors (6251683).

68013341 is a wasteful number, since it uses less digits than its factorization.

68013341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5731.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 68013341 is about 8247.0201285070. The cubic root of 68013341 is about 408.1922012702.

The spelling of 68013341 in words is "sixty-eight million, thirteen thousand, three hundred forty-one".

Divisors: 1 11 1447 4273 15917 47003 6183031 68013341