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68054445086 = 2138407245849
BaseRepresentation
bin111111011000010111…
…000110110000011110
320111122211110000021012
4333120113012300132
52103333414220321
651132550535222
74626311144615
oct773027066036
9214584400235
1068054445086
1126952a61951
1211233367512
136557353a24
14341849087c
151b8490505b
hexfd85c6c1e

68054445086 has 8 divisors (see below), whose sum is σ = 102082820400. Its totient is φ = 34026838288.

The previous prime is 68054445083. The next prime is 68054445097.

68054445086 is nontrivially palindromic in base 10.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68054445083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153890 + ... + 399738.

It is an arithmetic number, because the mean of its divisors is an integer number (12760352550).

Almost surely, 268054445086 is an apocalyptic number.

68054445086 is a deficient number, since it is larger than the sum of its proper divisors (34028375314).

68054445086 is a wasteful number, since it uses less digits than its factorization.

68054445086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384258.

The product of its (nonzero) digits is 3686400, while the sum is 50.

The spelling of 68054445086 in words is "sixty-eight billion, fifty-four million, four hundred forty-five thousand, eighty-six".

Divisors: 1 2 138407 245849 276814 491698 34027222543 68054445086