Base | Representation |
---|---|
bin | 11001111100010010… |
… | …101010100001101111 |
3 | 2122220021020020102000 |
4 | 121330102222201233 |
5 | 424021344240333 |
6 | 20444010503343 |
7 | 2004163125351 |
oct | 317422524157 |
9 | 78807206360 |
10 | 27855071343 |
11 | 108a4509420 |
12 | 5494734b53 |
13 | 281bba6248 |
14 | 14c36250d1 |
15 | ad0689713 |
hex | 67c4aa86f |
27855071343 has 16 divisors (see below), whose sum is σ = 45018297600. Its totient is φ = 16881861240.
The previous prime is 27855071341. The next prime is 27855071401. The reversal of 27855071343 is 34317055872.
27855071343 is a `hidden beast` number, since 2 + 7 + 8 + 5 + 507 + 134 + 3 = 666.
It is not a de Polignac number, because 27855071343 - 21 = 27855071341 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27855071341) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46893763 + ... + 46894356.
It is an arithmetic number, because the mean of its divisors is an integer number (2813643600).
Almost surely, 227855071343 is an apocalyptic number.
27855071343 is a deficient number, since it is larger than the sum of its proper divisors (17163226257).
27855071343 is a wasteful number, since it uses less digits than its factorization.
27855071343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93788139 (or 93788133 counting only the distinct ones).
The product of its (nonzero) digits is 705600, while the sum is 45.
The spelling of 27855071343 in words is "twenty-seven billion, eight hundred fifty-five million, seventy-one thousand, three hundred forty-three".
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