Search a number
-
+
68111119 = 2310328751
BaseRepresentation
bin1000000111101…
…00101100001111
311202011101220001
410003310230033
5114414023434
610431505131
71454635456
oct403645417
9152141801
1068111119
11354a098a
121a9881a7
1311159b4b
14908db9d
155ea6114
hex40f4b0f

68111119 has 8 divisors (see below), whose sum is σ = 71764992. Its totient is φ = 64515000.

The previous prime is 68111107. The next prime is 68111137. The reversal of 68111119 is 91111186.

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

It is a de Polignac number, because none of the positive numbers 2k-68111119 is a prime.

It is a super-2 number, since 2×681111192 = 9278249062864322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68111149) 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, 12007 + ... + 16744.

It is an arithmetic number, because the mean of its divisors is an integer number (8970624).

Almost surely, 268111119 is an apocalyptic number.

68111119 is a deficient number, since it is larger than the sum of its proper divisors (3653873).

68111119 is a wasteful number, since it uses less digits than its factorization.

68111119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28877.

The product of its digits is 432, while the sum is 28.

The square root of 68111119 is about 8252.9460800371. The cubic root of 68111119 is about 408.3877173528.

The spelling of 68111119 in words is "sixty-eight million, one hundred eleven thousand, one hundred nineteen".

Divisors: 1 23 103 2369 28751 661273 2961353 68111119