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568134681 = 31087174221
BaseRepresentation
bin100001110111010…
…000110000011001
31110121001020021020
4201313100300121
52130420302211
6132213033053
720036031222
oct4167206031
91417036236
10568134681
11271773aa4
1213a325789
139091c88a
1455650249
1534d26306
hex21dd0c19

568134681 has 8 divisors (see below), whose sum is σ = 758214144. Its totient is φ = 378405840.

The previous prime is 568134673. The next prime is 568134683. The reversal of 568134681 is 186431865.

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

It is not a de Polignac number, because 568134681 - 23 = 568134673 is a prime.

It is a super-2 number, since 2×5681346812 = 645554031509943522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (568134683) 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, 83850 + ... + 90371.

It is an arithmetic number, because the mean of its divisors is an integer number (94776768).

Almost surely, 2568134681 is an apocalyptic number.

It is an amenable number.

568134681 is a deficient number, since it is larger than the sum of its proper divisors (190079463).

568134681 is a wasteful number, since it uses less digits than its factorization.

568134681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175311.

The product of its digits is 138240, while the sum is 42.

The square root of 568134681 is about 23835.5759527644. The cubic root of 568134681 is about 828.2290012229.

The spelling of 568134681 in words is "five hundred sixty-eight million, one hundred thirty-four thousand, six hundred eighty-one".

Divisors: 1 3 1087 3261 174221 522663 189378227 568134681