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8984843138 = 216212771389
BaseRepresentation
bin10000101111000100…
…11101001110000010
3212012011120022201002
420113202131032002
5121400104440023
64043320212002
7435436622645
oct102742351602
925164508632
108984843138
1138a07896a7
1218a900a002
13b025a443b
146133cba5c
15378bd5b28
hex21789d382

8984843138 has 8 divisors (see below), whose sum is σ = 13485583740. Its totient is φ = 4489648560.

The previous prime is 8984843129. The next prime is 8984843149. The reversal of 8984843138 is 8313484898.

It can be written as a sum of positive squares in 2 ways, for example, as 8365480369 + 619362769 = 91463^2 + 24887^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382453 + ... + 1388936.

Almost surely, 28984843138 is an apocalyptic number.

8984843138 is a deficient number, since it is larger than the sum of its proper divisors (4500740602).

8984843138 is a wasteful number, since it uses less digits than its factorization.

8984843138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773012.

The product of its digits is 5308416, while the sum is 56.

The square root of 8984843138 is about 94788.4124669255. The cubic root of 8984843138 is about 2078.9154801445.

The spelling of 8984843138 in words is "eight billion, nine hundred eighty-four million, eight hundred forty-three thousand, one hundred thirty-eight".

Divisors: 1 2 1621 3242 2771389 5542778 4492421569 8984843138