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30956380800 = 27352192347157
BaseRepresentation
bin11100110101001001…
…001110001010000000
32221220101220002012020
4130311021032022000
51001344313141200
622115434401440
72144061616032
oct346511161200
987811802166
1030956380800
1112146085094
125bbb290280
132bc456c2b7
1416d947dc52
15c12a90ea0
hex73524e280

30956380800 has 768 divisors, whose sum is σ = 115106918400. Its totient is φ = 7274741760.

The previous prime is 30956380789. The next prime is 30956380837. The reversal of 30956380800 is 808365903.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 197174322 + ... + 197174478.

It is an arithmetic number, because the mean of its divisors is an integer number (149878800).

Almost surely, 230956380800 is an apocalyptic number.

30956380800 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 30956380800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57553459200).

30956380800 is an abundant number, since it is smaller than the sum of its proper divisors (84150537600).

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

30956380800 is a wasteful number, since it uses less digits than its factorization.

30956380800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 30956380800 in words is "thirty billion, nine hundred fifty-six million, three hundred eighty thousand, eight hundred".