Base | Representation |
---|---|
bin | 11001111110001000… |
… | …101101100101000000 |
3 | 2122222102110102122020 |
4 | 121332020231211000 |
5 | 424102310014312 |
6 | 20451034041440 |
7 | 2005020142422 |
oct | 317610554500 |
9 | 78872412566 |
10 | 27886016832 |
11 | 1090aa25203 |
12 | 54a2b79280 |
13 | 282541c69b |
14 | 14c779c812 |
15 | ad324d78c |
hex | 67e22d940 |
27886016832 has 112 divisors (see below), whose sum is σ = 75780180672. Its totient is φ = 9044766720.
The previous prime is 27886016831. The next prime is 27886016887. The reversal of 27886016832 is 23861068872.
It is a happy number.
It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27886016831) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3120723 + ... + 3129645.
It is an arithmetic number, because the mean of its divisors is an integer number (676608756).
Almost surely, 227886016832 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 27886016832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37890090336).
27886016832 is an abundant number, since it is smaller than the sum of its proper divisors (47894163840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27886016832 is a wasteful number, since it uses less digits than its factorization.
27886016832 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9376 (or 9366 counting only the distinct ones).
The product of its (nonzero) digits is 1548288, while the sum is 51.
The spelling of 27886016832 in words is "twenty-seven billion, eight hundred eighty-six million, sixteen thousand, eight hundred thirty-two".
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