Base | Representation |
---|---|
bin | 11001111001011001… |
… | …000100110001010000 |
3 | 2122202212200111101012 |
4 | 121321121010301100 |
5 | 423421420420143 |
6 | 20435112030052 |
7 | 2003032446011 |
oct | 317131046120 |
9 | 78685614335 |
10 | 27806420048 |
11 | 10879aa9a40 |
12 | 5480392328 |
13 | 2811aa09b4 |
14 | 14bad9d008 |
15 | acb279418 |
hex | 679644c50 |
27806420048 has 40 divisors (see below), whose sum is σ = 61865965920. Its totient is φ = 11974055040.
The previous prime is 27806419997. The next prime is 27806420069. The reversal of 27806420048 is 84002460872.
It is a junction number, because it is equal to n+sod(n) for n = 27806419987 and 27806420014.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4154315 + ... + 4161002.
It is an arithmetic number, because the mean of its divisors is an integer number (1546649148).
Almost surely, 227806420048 is an apocalyptic number.
It is an amenable number.
27806420048 is an abundant number, since it is smaller than the sum of its proper divisors (34059545872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27806420048 is a wasteful number, since it uses less digits than its factorization.
27806420048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8315355 (or 8315349 counting only the distinct ones).
The product of its (nonzero) digits is 172032, while the sum is 41.
The spelling of 27806420048 in words is "twenty-seven billion, eight hundred six million, four hundred twenty thousand, forty-eight".
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