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5668563389 = 25771219959
BaseRepresentation
bin1010100011101111…
…10110100110111101
3112122001101212010012
411101313312212331
543102123012024
62334252553005
7260320664606
oct52167664675
915561355105
105668563389
112449835635
121122482765
136c4512128
143babb4dad
152329b950e
hex151df69bd

5668563389 has 4 divisors (see below), whose sum is σ = 5668809120. Its totient is φ = 5668317660.

The previous prime is 5668563377. The next prime is 5668563401. The reversal of 5668563389 is 9833658665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9833658665 = 51966731733.

It is an interprime number because it is at equal distance from previous prime (5668563377) and next prime (5668563401).

It is a cyclic number.

It is not a de Polignac number, because 5668563389 - 212 = 5668559293 is a prime.

It is a super-2 number, since 2×56685633892 = 64265221790222330642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5668563889) 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, 84209 + ... + 135750.

It is an arithmetic number, because the mean of its divisors is an integer number (1417202280).

Almost surely, 25668563389 is an apocalyptic number.

It is an amenable number.

5668563389 is a deficient number, since it is larger than the sum of its proper divisors (245731).

5668563389 is a wasteful number, since it uses less digits than its factorization.

5668563389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245730.

The product of its digits is 27993600, while the sum is 59.

The square root of 5668563389 is about 75289.8624583682. The cubic root of 5668563389 is about 1783.0259716323.

The spelling of 5668563389 in words is "five billion, six hundred sixty-eight million, five hundred sixty-three thousand, three hundred eighty-nine".

Divisors: 1 25771 219959 5668563389