Base | Representation |
---|---|
bin | 11010001010101010… |
… | …101010011101111010 |
3 | 2200112002001001112000 |
4 | 122022222222131322 |
5 | 430020114243303 |
6 | 20523544001430 |
7 | 2013152062404 |
oct | 321252523572 |
9 | 80462031460 |
10 | 28096243578 |
11 | 10a08662717 |
12 | 5541460276 |
13 | 2859b47800 |
14 | 1507683b74 |
15 | ae6927da3 |
hex | 68aaaa77a |
28096243578 has 192 divisors, whose sum is σ = 73476403200. Its totient is φ = 7924288320.
The previous prime is 28096243543. The next prime is 28096243583. The reversal of 28096243578 is 87534269082.
28096243578 is a `hidden beast` number, since 2 + 8 + 0 + 9 + 62 + 4 + 3 + 578 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5372601 + ... + 5377827.
It is an arithmetic number, because the mean of its divisors is an integer number (382689600).
Almost surely, 228096243578 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28096243578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36738201600).
28096243578 is an abundant number, since it is smaller than the sum of its proper divisors (45380159622).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28096243578 is a wasteful number, since it uses less digits than its factorization.
28096243578 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5314 (or 5295 counting only the distinct ones).
The product of its (nonzero) digits is 5806080, while the sum is 54.
The spelling of 28096243578 in words is "twenty-eight billion, ninety-six million, two hundred forty-three thousand, five hundred seventy-eight".
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