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6344168885 = 51774637281
BaseRepresentation
bin1011110100010010…
…00101010110110101
3121101010200011121222
411322021011112311
5100443101401020
62525305320125
7313133355125
oct57211052665
917333604558
106344168885
112766132a8a
121290796045
137a148cab2
144427dcc85
15271e6db25
hex17a2455b5

6344168885 has 8 divisors (see below), whose sum is σ = 8060826456. Its totient is φ = 4776785920.

The previous prime is 6344168869. The next prime is 6344168903. The reversal of 6344168885 is 5888614436.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 338228881 + 6005940004 = 18391^2 + 77498^2 .

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

It is not a de Polignac number, because 6344168885 - 24 = 6344168869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37318556 + ... + 37318725.

It is an arithmetic number, because the mean of its divisors is an integer number (1007603307).

Almost surely, 26344168885 is an apocalyptic number.

It is an amenable number.

6344168885 is a deficient number, since it is larger than the sum of its proper divisors (1716657571).

6344168885 is a wasteful number, since it uses less digits than its factorization.

6344168885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74637303.

The product of its digits is 4423680, while the sum is 53.

The square root of 6344168885 is about 79650.2911796310. The cubic root of 6344168885 is about 1851.2209019082.

The spelling of 6344168885 in words is "six billion, three hundred forty-four million, one hundred sixty-eight thousand, eight hundred eighty-five".

Divisors: 1 5 17 85 74637281 373186405 1268833777 6344168885