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14681968979 = 27915260469
BaseRepresentation
bin11011010110001110…
…10001000101010011
31101220012201022010212
431223013101011103
5220032041001404
610424513314335
71026555451166
oct155307210523
941805638125
1014681968979
116254652667
122a18b659ab
1314cc9a7112
149d3cb9add
155ade4306e
hex36b1d1153

14681968979 has 4 divisors (see below), whose sum is σ = 14687232240. Its totient is φ = 14676705720.

The previous prime is 14681968963. The next prime is 14681969041. The reversal of 14681968979 is 97986918641.

14681968979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14681968979 - 24 = 14681968963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14681968909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2627444 + ... + 2633025.

It is an arithmetic number, because the mean of its divisors is an integer number (3671808060).

Almost surely, 214681968979 is an apocalyptic number.

14681968979 is a deficient number, since it is larger than the sum of its proper divisors (5263261).

14681968979 is an equidigital number, since it uses as much as digits as its factorization.

14681968979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5263260.

The product of its digits is 47029248, while the sum is 68.

The spelling of 14681968979 in words is "fourteen billion, six hundred eighty-one million, nine hundred sixty-eight thousand, nine hundred seventy-nine".

Divisors: 1 2791 5260469 14681968979