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9982307808 = 25371112967
BaseRepresentation
bin10010100101111110…
…11110110111100000
3221202200110210000000
421102333132313200
5130420432322213
64330311300000
7502241134134
oct112277366740
927680423000
109982307808
114262830670
121b2707a600
13c31134615
146a9a793c4
153d6565c73
hex252fdede0

9982307808 has 192 divisors, whose sum is σ = 32156490240. Its totient is φ = 3024708480.

The previous prime is 9982307807. The next prime is 9982307887. The reversal of 9982307808 is 8087032899.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9982307807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 763341 + ... + 776307.

It is an arithmetic number, because the mean of its divisors is an integer number (167481720).

Almost surely, 29982307808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9982307808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16078245120).

9982307808 is an abundant number, since it is smaller than the sum of its proper divisors (22174182432).

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

9982307808 is a wasteful number, since it uses less digits than its factorization.

9982307808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13009 (or 12983 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 9982307808 is about 99911.4998786426. The cubic root of 9982307808 is about 2153.1633842577.

The spelling of 9982307808 in words is "nine billion, nine hundred eighty-two million, three hundred seven thousand, eight hundred eight".