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30385152000 = 21333537157
BaseRepresentation
bin11100010011000110…
…001010000000000000
32220102121000122121000
4130103012022000000
5444212044331000
621543031132000
72123654346660
oct342306120000
986377018530
1030385152000
1111982698475
125a7bb14000
132b331082a8
1416836661a0
15bcc858000
hex71318a000

30385152000 has 896 divisors, whose sum is σ = 129218618880. Its totient is φ = 6900940800.

The previous prime is 30385151987. The next prime is 30385152023. The reversal of 30385152000 is 25158303.

It is a tau number, because it is divible by the number of its divisors (896).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 193535922 + ... + 193536078.

Almost surely, 230385152000 is an apocalyptic number.

30385152000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30385152000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64609309440).

30385152000 is an abundant number, since it is smaller than the sum of its proper divisors (98833466880).

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

30385152000 is an equidigital number, since it uses as much as digits as its factorization.

30385152000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 174 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 30385152000 in words is "thirty billion, three hundred eighty-five million, one hundred fifty-two thousand".