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6664268884627 = 7193862942037
BaseRepresentation
bin110000011111010010101…
…1000010010101010010011
3212121002122100122012221201
41200332211120102222103
51333141410313302002
622101304534332031
71255322536604524
oct140764530225223
925532570565851
106664268884627
11213a334059232
128b76b61ba017
1339458cc91103
141907a387084b
15b85461e3087
hex60fa5612a93

6664268884627 has 4 divisors (see below), whose sum is σ = 6758131826736. Its totient is φ = 6570405942520.

The previous prime is 6664268884601. The next prime is 6664268884667. The reversal of 6664268884627 is 7264888624666.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6664268884627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6664268884627.

It is not an unprimeable number, because it can be changed into a prime (6664268884667) 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, 46931470948 + ... + 46931471089.

It is an arithmetic number, because the mean of its divisors is an integer number (1689532956684).

Almost surely, 26664268884627 is an apocalyptic number.

6664268884627 is a deficient number, since it is larger than the sum of its proper divisors (93862942109).

6664268884627 is an equidigital number, since it uses as much as digits as its factorization.

6664268884627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93862942108.

The product of its digits is 1783627776, while the sum is 73.

The spelling of 6664268884627 in words is "six trillion, six hundred sixty-four billion, two hundred sixty-eight million, eight hundred eighty-four thousand, six hundred twenty-seven".

Divisors: 1 71 93862942037 6664268884627