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28382323200 = 2935271129331
BaseRepresentation
bin11010011011101101…
…111110001000000000
32201021000100101222120
4122123231332020000
5431111333320300
621012203404240
72023224523650
oct323355761000
981230311876
1028382323200
1111045099560
125601223680
1328a41b04aa
141533672360
15b11ad73a0
hex69bb7e200

28382323200 has 960 divisors, whose sum is σ = 121290808320. Its totient is φ = 5677056000.

The previous prime is 28382323187. The next prime is 28382323217. The reversal of 28382323200 is 232328382.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 85747035 + ... + 85747365.

It is an arithmetic number, because the mean of its divisors is an integer number (126344592).

Almost surely, 228382323200 is an apocalyptic number.

28382323200 is a gapful number since it is divisible by the number (20) 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 28382323200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60645404160).

28382323200 is an abundant number, since it is smaller than the sum of its proper divisors (92908485120).

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

28382323200 is a wasteful number, since it uses less digits than its factorization.

28382323200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 28382323200 in words is "twenty-eight billion, three hundred eighty-two million, three hundred twenty-three thousand, two hundred".