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68011359 = 3131743881
BaseRepresentation
bin1000000110111…
…00010101011111
311201222100001020
410003130111133
5114402330414
610425415223
71454041563
oct403342537
9151870036
1068011359
1135432a39
121a93a513
1311123610
1490656a3
155e867a9
hex40dc55f

68011359 has 8 divisors (see below), whose sum is σ = 97657392. Its totient is φ = 41853120.

The previous prime is 68011357. The next prime is 68011379. The reversal of 68011359 is 95311086.

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

It is not a de Polignac number, because 68011359 - 21 = 68011357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68011357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871902 + ... + 871979.

It is an arithmetic number, because the mean of its divisors is an integer number (12207174).

Almost surely, 268011359 is an apocalyptic number.

68011359 is a deficient number, since it is larger than the sum of its proper divisors (29646033).

68011359 is a wasteful number, since it uses less digits than its factorization.

68011359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743897.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 68011359 is about 8246.8999630164. The cubic root of 68011359 is about 408.1882361422.

The spelling of 68011359 in words is "sixty-eight million, eleven thousand, three hundred fifty-nine".

Divisors: 1 3 13 39 1743881 5231643 22670453 68011359