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68099113 = 238393529
BaseRepresentation
bin1000000111100…
…01110000101001
311202010210102101
410003301300221
5114413132423
610431333401
71454555455
oct403616051
9152123371
1068099113
1135492965
121a981261
1311154544
149089665
155ea27ad
hex40f1c29

68099113 has 8 divisors (see below), whose sum is σ = 71164800. Its totient is φ = 65042208.

The previous prime is 68099107. The next prime is 68099147. The reversal of 68099113 is 31199086.

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

It is a cyclic number.

It is not a de Polignac number, because 68099113 - 25 = 68099081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68099183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17533 + ... + 21061.

It is an arithmetic number, because the mean of its divisors is an integer number (8895600).

Almost surely, 268099113 is an apocalyptic number.

It is an amenable number.

68099113 is a deficient number, since it is larger than the sum of its proper divisors (3065687).

68099113 is a wasteful number, since it uses less digits than its factorization.

68099113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4391.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 68099113 is about 8252.2186713635. The cubic root of 68099113 is about 408.3637203357.

The spelling of 68099113 in words is "sixty-eight million, ninety-nine thousand, one hundred thirteen".

Divisors: 1 23 839 3529 19297 81167 2960831 68099113