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9988983079 = 97102979207
BaseRepresentation
bin10010100110110001…
…11100100100100111
3221210011000220202021
421103120330210213
5130424134424304
64331110324011
7502351645435
oct112330744447
927704026667
109988983079
11426657a919
121b29359607
13c32630a9a
146aa8d5d55
153d6e33a54
hex25363c927

9988983079 has 4 divisors (see below), whose sum is σ = 10091962384. Its totient is φ = 9886003776.

The previous prime is 9988983061. The next prime is 9988983089. The reversal of 9988983079 is 9703898899.

9988983079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9988983079 - 29 = 9988982567 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9988982999 and 9988983017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9988983089) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 51489507 + ... + 51489700.

It is an arithmetic number, because the mean of its divisors is an integer number (2522990596).

Almost surely, 29988983079 is an apocalyptic number.

9988983079 is a deficient number, since it is larger than the sum of its proper divisors (102979305).

9988983079 is a wasteful number, since it uses less digits than its factorization.

9988983079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102979304.

The product of its (nonzero) digits is 70543872, while the sum is 70.

The square root of 9988983079 is about 99944.9002150685. The cubic root of 9988983079 is about 2153.6432247510.

The spelling of 9988983079 in words is "nine billion, nine hundred eighty-eight million, nine hundred eighty-three thousand, seventy-nine".

Divisors: 1 97 102979207 9988983079