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9998808084 = 2232382172689
BaseRepresentation
bin10010100111111100…
…11011010000010100
3221210211112002010100
421103332123100110
5130434143324314
64332101054100
7502531315656
oct112376332024
927724462110
109998808084
114271080561
121b306b7330
13c34690ab5
146abd326d6
153d7c24c09
hex253f9b414

9998808084 has 36 divisors (see below), whose sum is σ = 25281727380. Its totient is φ = 3332017920.

The previous prime is 9998808067. The next prime is 9998808091. The reversal of 9998808084 is 4808088999.

9998808084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4875111684 + 5123696400 = 69822^2 + 71580^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 101212 + ... + 173900.

It is an arithmetic number, because the mean of its divisors is an integer number (702270205).

Almost surely, 29998808084 is an apocalyptic number.

It is an amenable number.

9998808084 is an abundant number, since it is smaller than the sum of its proper divisors (15282919296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9998808084 is a wasteful number, since it uses less digits than its factorization.

9998808084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76520 (or 76515 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 63.

The square root of 9998808084 is about 99994.0402424064. The cubic root of 9998808084 is about 2154.3490897916.

The spelling of 9998808084 in words is "nine billion, nine hundred ninety-eight million, eight hundred eight thousand, eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 3821 7642 11463 15284 22926 34389 45852 68778 72689 137556 145378 218067 290756 436134 654201 872268 1308402 2616804 277744669 555489338 833234007 1110978676 1666468014 2499702021 3332936028 4999404042 9998808084