Base | Representation |
---|---|
bin | 11001111100100111… |
… | …011111001111100000 |
3 | 2122220122111120110211 |
4 | 121330213133033200 |
5 | 424024243431034 |
6 | 20444323503504 |
7 | 2004260412256 |
oct | 317447371740 |
9 | 78818446424 |
10 | 27860530144 |
11 | 108a75a7727 |
12 | 5496527b94 |
13 | 2820067ac5 |
14 | 14c42465d6 |
15 | ad0db6d64 |
hex | 67c9df3e0 |
27860530144 has 24 divisors (see below), whose sum is σ = 56741814360. Its totient is φ = 13449910656.
The previous prime is 27860530127. The next prime is 27860530153. The reversal of 27860530144 is 44103506872.
It is a junction number, because it is equal to n+sod(n) for n = 27860530097 and 27860530106.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15010134 + ... + 15011989.
It is an arithmetic number, because the mean of its divisors is an integer number (2364242265).
Almost surely, 227860530144 is an apocalyptic number.
It is an amenable number.
27860530144 is an abundant number, since it is smaller than the sum of its proper divisors (28881284216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27860530144 is a wasteful number, since it uses less digits than its factorization.
27860530144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30022162 (or 30022154 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 40.
The spelling of 27860530144 in words is "twenty-seven billion, eight hundred sixty million, five hundred thirty thousand, one hundred forty-four".
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