Base | Representation |
---|---|
bin | 11001111001010001… |
… | …110001000110100110 |
3 | 2122202202002011201110 |
4 | 121321101301012212 |
5 | 423420423120421 |
6 | 20435003005450 |
7 | 2003010250203 |
oct | 317121610646 |
9 | 78682064643 |
10 | 27804504486 |
11 | 10878a10830 |
12 | 547b809886 |
13 | 281157cb25 |
14 | 14baa20caa |
15 | acaeeba76 |
hex | 6794711a6 |
27804504486 has 64 divisors (see below), whose sum is σ = 62202422016. Its totient is φ = 8212377600.
The previous prime is 27804504451. The next prime is 27804504503. The reversal of 27804504486 is 68440540872.
It is a congruent number.
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 31 ways as a sum of consecutive naturals, for example, 3288981 + ... + 3297423.
It is an arithmetic number, because the mean of its divisors is an integer number (971912844).
Almost surely, 227804504486 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27804504486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31101211008).
27804504486 is an abundant number, since it is smaller than the sum of its proper divisors (34397917530).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27804504486 is a wasteful number, since it uses less digits than its factorization.
27804504486 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9717.
The product of its (nonzero) digits is 1720320, while the sum is 48.
The spelling of 27804504486 in words is "twenty-seven billion, eight hundred four million, five hundred four thousand, four hundred eighty-six".
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