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30860928000 = 210325374389
BaseRepresentation
bin11100101111011101…
…000110010000000000
32221122202021120120100
4130233131012100000
51001200344144000
622102144442400
72141522363010
oct345735062000
987582246510
1030860928000
11120a7209a81
125b93319400
132baa85b456
1416ca913c40
15c094d8a00
hex72f746400

30860928000 has 1056 divisors, whose sum is σ = 131513690880. Its totient is φ = 6812467200.

The previous prime is 30860927987. The next prime is 30860928073. The reversal of 30860928000 is 82906803.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 346751956 + ... + 346752044.

It is an arithmetic number, because the mean of its divisors is an integer number (124539480).

Almost surely, 230860928000 is an apocalyptic number.

30860928000 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 30860928000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65756845440).

30860928000 is an abundant number, since it is smaller than the sum of its proper divisors (100652762880).

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

30860928000 is a wasteful number, since it uses less digits than its factorization.

30860928000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 30860928000 in words is "thirty billion, eight hundred sixty million, nine hundred twenty-eight thousand".