Search a number
-
+
30807168000 = 210353773157
BaseRepresentation
bin11100101100010000…
…000001010000000000
32221112000010021201020
4130230100001100000
51001043113334000
622052544305440
72140300415220
oct345420012000
987460107636
1030807168000
1112079930324
125b79312280
132b9c6877bb
1416c371c080
15c04919ba0
hex72c401400

30807168000 has 704 divisors, whose sum is σ = 119476151808. Its totient is φ = 6900940800.

The previous prime is 30807167999. The next prime is 30807168011. The reversal of 30807168000 is 86170803.

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, 196223922 + ... + 196224078.

Almost surely, 230807168000 is an apocalyptic number.

30807168000 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 30807168000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59738075904).

30807168000 is an abundant number, since it is smaller than the sum of its proper divisors (88668983808).

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

30807168000 is a wasteful number, since it uses less digits than its factorization.

30807168000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 30807168000 in words is "thirty billion, eight hundred seven million, one hundred sixty-eight thousand".