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9983997089 = 111947770321
BaseRepresentation
bin10010100110001011…
…11011010010100001
3221202210122121020222
421103011323102201
5130421400401324
64330411412425
7502261401143
oct112305732241
927683577228
109983997089
114263784870
121b27754115
13c315a64b1
146a9d98c93
153d679b55e
hex25317b4a1

9983997089 has 8 divisors (see below), whose sum is σ = 11464877280. Its totient is φ = 8598657600.

The previous prime is 9983997077. The next prime is 9983997119. The reversal of 9983997089 is 9807993899.

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

It is a cyclic number.

It is not a de Polignac number, because 9983997089 - 228 = 9715561633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9983997019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23884952 + ... + 23885369.

It is an arithmetic number, because the mean of its divisors is an integer number (1433109660).

Almost surely, 29983997089 is an apocalyptic number.

It is an amenable number.

9983997089 is a deficient number, since it is larger than the sum of its proper divisors (1480880191).

9983997089 is a wasteful number, since it uses less digits than its factorization.

9983997089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47770351.

The product of its (nonzero) digits is 79361856, while the sum is 71.

The square root of 9983997089 is about 99919.9534077153. The cubic root of 9983997089 is about 2153.2848355596.

The spelling of 9983997089 in words is "nine billion, nine hundred eighty-three million, nine hundred ninety-seven thousand, eighty-nine".

Divisors: 1 11 19 209 47770321 525473531 907636099 9983997089