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9796819884 = 223816401657
BaseRepresentation
bin10010001111110111…
…11001101110101100
3221021202110000101220
421013323321232230
5130030441214014
64300043503340
7464526411045
oct110773715654
927252400356
109796819884
11417805a865
121a94b27b50
13c0188b857
1468d1938cc
153c51266a9
hex247ef9bac

9796819884 has 12 divisors (see below), whose sum is σ = 22859246424. Its totient is φ = 3265606624.

The previous prime is 9796819883. The next prime is 9796819889. The reversal of 9796819884 is 4889186979.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (9796819883) 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, 408200817 + ... + 408200840.

It is an arithmetic number, because the mean of its divisors is an integer number (1904937202).

Almost surely, 29796819884 is an apocalyptic number.

It is an amenable number.

9796819884 is an abundant number, since it is smaller than the sum of its proper divisors (13062426540).

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

9796819884 is a wasteful number, since it uses less digits than its factorization.

9796819884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816401664 (or 816401662 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 69.

The square root of 9796819884 is about 98978.8860515211. The cubic root of 9796819884 is about 2139.7434609647.

The spelling of 9796819884 in words is "nine billion, seven hundred ninety-six million, eight hundred nineteen thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 12 816401657 1632803314 2449204971 3265606628 4898409942 9796819884