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5687116866 = 233105316979
BaseRepresentation
bin1010100101111101…
…01000010001000010
3112200100022110201000
411102332220101002
543121400214431
62340154352430
7260634460434
oct52276502102
915610273630
105687116866
112459258092
12112872b716
136c830a012
143bd444654
152344319e6
hex152fa8442

5687116866 has 16 divisors (see below), whose sum is σ = 12638037600. Its totient is φ = 1895705604.

The previous prime is 5687116861. The next prime is 5687116901. The reversal of 5687116866 is 6686117865.

5687116866 is a `hidden beast` number, since 568 + 7 + 1 + 16 + 8 + 66 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 105316979 = 5687116866 / (5 + 6 + 8 + 7 + 1 + 1 + 6 + 8 + 6 + 6).

It is not an unprimeable number, because it can be changed into a prime (5687116861) 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, 52658436 + ... + 52658543.

It is an arithmetic number, because the mean of its divisors is an integer number (789877350).

Almost surely, 25687116866 is an apocalyptic number.

5687116866 is an abundant number, since it is smaller than the sum of its proper divisors (6950920734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5687116866 is a wasteful number, since it uses less digits than its factorization.

5687116866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105316990 (or 105316984 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 5687116866 is about 75412.9754485261. The cubic root of 5687116866 is about 1784.9691626620.

Subtracting 5687116866 from its reverse (6686117865), we obtain a palindrome (999000999).

It can be divided in two parts, 56871 and 16866, that added together give a palindrome (73737).

The spelling of 5687116866 in words is "five billion, six hundred eighty-seven million, one hundred sixteen thousand, eight hundred sixty-six".

Divisors: 1 2 3 6 9 18 27 54 105316979 210633958 315950937 631901874 947852811 1895705622 2843558433 5687116866