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8834213385 = 325196315853
BaseRepresentation
bin10000011101000111…
…10110011000001001
3211210200010112112100
420032203312120021
5121043024312020
64020335504013
7431630401104
oct101643663011
924720115470
108834213385
1138237572a8
121866688009
13aaa3149ca
145db3bb73b
1536a87ea90
hex20e8f6609

8834213385 has 12 divisors (see below), whose sum is σ = 15312636612. Its totient is φ = 4711580448.

The previous prime is 8834213369. The next prime is 8834213393. The reversal of 8834213385 is 5833124388.

It can be written as a sum of positive squares in 2 ways, for example, as 1017354816 + 7816858569 = 31896^2 + 88413^2 .

It is not a de Polignac number, because 8834213385 - 24 = 8834213369 is a prime.

It is a super-2 number, since 2×88342133852 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 196315853 = 8834213385 / (8 + 8 + 3 + 4 + 2 + 1 + 3 + 3 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 8834213385.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98157882 + ... + 98157971.

It is an arithmetic number, because the mean of its divisors is an integer number (1276053051).

Almost surely, 28834213385 is an apocalyptic number.

It is an amenable number.

8834213385 is a deficient number, since it is larger than the sum of its proper divisors (6478423227).

8834213385 is a wasteful number, since it uses less digits than its factorization.

8834213385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196315864 (or 196315861 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 8834213385 is about 93990.4962482910. The cubic root of 8834213385 is about 2067.2323616034.

The spelling of 8834213385 in words is "eight billion, eight hundred thirty-four million, two hundred thirteen thousand, three hundred eighty-five".

Divisors: 1 3 5 9 15 45 196315853 588947559 981579265 1766842677 2944737795 8834213385