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9969348689 = 2317310632357
BaseRepresentation
bin10010100100011100…
…00011000001010001
3221201210002101102122
421102032003001101
5130404123124224
64325125424025
7502023031346
oct112216030121
927653071378
109969348689
11425648a253
121b2286b015
13c2b547bc1
146a80647cd
153d535615e
hex252383051

9969348689 has 16 divisors (see below), whose sum is σ = 10477216512. Its totient is φ = 9467840448.

The previous prime is 9969348677. The next prime is 9969348721. The reversal of 9969348689 is 9868439699.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9969348689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9969341689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4228499 + ... + 4230855.

It is an arithmetic number, because the mean of its divisors is an integer number (654826032).

Almost surely, 29969348689 is an apocalyptic number.

It is an amenable number.

9969348689 is a deficient number, since it is larger than the sum of its proper divisors (507867823).

9969348689 is a wasteful number, since it uses less digits than its factorization.

9969348689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3616.

The product of its digits is 181398528, while the sum is 71.

The square root of 9969348689 is about 99846.6258268150. The cubic root of 9969348689 is about 2152.2312289399.

The spelling of 9969348689 in words is "nine billion, nine hundred sixty-nine million, three hundred forty-eight thousand, six hundred eighty-nine".

Divisors: 1 23 173 1063 2357 3979 24449 54211 183899 407761 2505491 4229677 9378503 57626293 433449943 9969348689