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30317867082 = 23317232149419
BaseRepresentation
bin11100001111000101…
…011111000001001010
32220020220102020001000
4130033011133001022
5444042333221312
621532225035430
72122206422016
oct341705370112
986226366030
1030317867082
11119487112a8
125a61485b76
132b221aa529
14167874d546
15bc69b6adc
hex70f15f04a

30317867082 has 192 divisors, whose sum is σ = 75252240000. Its totient is φ = 9015316992.

The previous prime is 30317867071. The next prime is 30317867087. The reversal of 30317867082 is 28076871303.

It is not an unprimeable number, because it can be changed into a prime (30317867087) 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 95 ways as a sum of consecutive naturals, for example, 72357469 + ... + 72357887.

It is an arithmetic number, because the mean of its divisors is an integer number (391938750).

Almost surely, 230317867082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30317867082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37626120000).

30317867082 is an abundant number, since it is smaller than the sum of its proper divisors (44934372918).

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

30317867082 is a wasteful number, since it uses less digits than its factorization.

30317867082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 30317867082 in words is "thirty billion, three hundred seventeen million, eight hundred sixty-seven thousand, eighty-two".