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30118885992 = 233313171016247
BaseRepresentation
bin11100000011001110…
…011011101001101000
32212202000222221022000
4130003032123221220
5443140413322432
621500400131000
72114242210146
oct340316335150
985660887260
1030118885992
1111856364918
125a06906a60
132abcbbbc40
14165a154596
15bb42ae57c
hex70339ba68

30118885992 has 256 divisors, whose sum is σ = 96359155200. Its totient is φ = 8634470400.

The previous prime is 30118885981. The next prime is 30118886023. The reversal of 30118885992 is 29958881103.

30118885992 is a `hidden beast` number, since 30 + 1 + 18 + 8 + 8 + 599 + 2 = 666.

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

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 4818213 + ... + 4824459.

It is an arithmetic number, because the mean of its divisors is an integer number (376402950).

Almost surely, 230118885992 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 30118885992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48179577600).

30118885992 is an abundant number, since it is smaller than the sum of its proper divisors (66240269208).

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

30118885992 is a wasteful number, since it uses less digits than its factorization.

30118885992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6393 (or 6383 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The spelling of 30118885992 in words is "thirty billion, one hundred eighteen million, eight hundred eighty-five thousand, nine hundred ninety-two".