Search a number
-
+
30283288800 = 25352412411277
BaseRepresentation
bin11100001101000001…
…100101000011100000
32220011111100110112220
4130031001211003200
5444010010220200
621524551551040
72121306464502
oct341501450340
986144313486
1030283288800
1111930144106
125a5198b480
132b17c916cb
141673d0bd72
15bc39364a0
hex70d0650e0

30283288800 has 288 divisors, whose sum is σ = 101474692704. Its totient is φ = 7839744000.

The previous prime is 30283288753. The next prime is 30283288807. The reversal of 30283288800 is 888238203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30283288807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23713762 + ... + 23715038.

It is an arithmetic number, because the mean of its divisors is an integer number (352342683).

Almost surely, 230283288800 is an apocalyptic number.

30283288800 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 30283288800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50737346352).

30283288800 is an abundant number, since it is smaller than the sum of its proper divisors (71191403904).

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

30283288800 is a wasteful number, since it uses less digits than its factorization.

30283288800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582 (or 1569 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 30283288800 in words is "thirty billion, two hundred eighty-three million, two hundred eighty-eight thousand, eight hundred".