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568350681 = 31711144131
BaseRepresentation
bin100001111000000…
…101011111011001
31110121110012120020
4201320011133121
52130444210211
6132221421053
720040621033
oct4170053731
91417405506
10568350681
11271901308
1213a40a789
1390996ca2
14556a8c53
1534d6a306
hex21e057d9

568350681 has 8 divisors (see below), whose sum is σ = 802377504. Its totient is φ = 356612160.

The previous prime is 568350661. The next prime is 568350691. The reversal of 568350681 is 186053865.

568350681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 568350681 - 217 = 568219609 is a prime.

It is a super-2 number, since 2×5683506812 = 646044993186327522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (568350611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5572015 + ... + 5572116.

It is an arithmetic number, because the mean of its divisors is an integer number (100297188).

Almost surely, 2568350681 is an apocalyptic number.

568350681 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

568350681 is a deficient number, since it is larger than the sum of its proper divisors (234026823).

568350681 is a wasteful number, since it uses less digits than its factorization.

568350681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11144151.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 568350681 is about 23840.1065643591. The cubic root of 568350681 is about 828.3339498106. Note that the first 3 decimals are identical.

The spelling of 568350681 in words is "five hundred sixty-eight million, three hundred fifty thousand, six hundred eighty-one".

Divisors: 1 3 17 51 11144131 33432393 189450227 568350681