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28543930016 = 2572313759269
BaseRepresentation
bin11010100101010110…
…011100111010100000
32201200021102212212012
4122211112130322200
5431424221230031
621040215252052
72030226254600
oct324526347240
981607385765
1028543930016
1111118339108
12564737a028
1328cb814424
14154acdcc00
15b20daab2b
hex6a559cea0

28543930016 has 288 divisors, whose sum is σ = 70739827200. Its totient is φ = 11281213440.

The previous prime is 28543930003. The next prime is 28543930027. The reversal of 28543930016 is 61003934582.

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 47 ways as a sum of consecutive naturals, for example, 106111130 + ... + 106111398.

It is an arithmetic number, because the mean of its divisors is an integer number (245624400).

Almost surely, 228543930016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28543930016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35369913600).

28543930016 is an abundant number, since it is smaller than the sum of its proper divisors (42195897184).

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

28543930016 is a wasteful number, since it uses less digits than its factorization.

28543930016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 28543930016 in words is "twenty-eight billion, five hundred forty-three million, nine hundred thirty thousand, sixteen".