Base | Representation |
---|---|
bin | 11010101101001100… |
… | …101011000000000000 |
3 | 2202000110011121011200 |
4 | 122231030223000000 |
5 | 432211422142000 |
6 | 21101241141200 |
7 | 2033415304500 |
oct | 325514530000 |
9 | 82013147150 |
10 | 28675584000 |
11 | 1118568a758 |
12 | 568348a800 |
13 | 291cb8b9ab |
14 | 15605ada00 |
15 | b2c714500 |
hex | 6ad32b000 |
28675584000 has 936 divisors, whose sum is σ = 121196395008. Its totient is φ = 6502809600.
The previous prime is 28675583999. The next prime is 28675584013. The reversal of 28675584000 is 48557682.
28675584000 is a `hidden beast` number, since 2 + 8 + 67 + 5 + 584 + 0 + 0 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
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 71 ways as a sum of consecutive naturals, for example, 225791937 + ... + 225792063.
It is an arithmetic number, because the mean of its divisors is an integer number (129483328).
Almost surely, 228675584000 is an apocalyptic number.
28675584000 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 28675584000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60598197504).
28675584000 is an abundant number, since it is smaller than the sum of its proper divisors (92520811008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28675584000 is a wasteful number, since it uses less digits than its factorization.
28675584000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 186 (or 144 counting only the distinct ones).
The product of its (nonzero) digits is 537600, while the sum is 45.
The spelling of 28675584000 in words is "twenty-eight billion, six hundred seventy-five million, five hundred eighty-four thousand".
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