Base | Representation |
---|---|
bin | 110100011001101010… |
… | …110000010101100111 |
3 | 12101020012220222112102 |
4 | 310121222300111213 |
5 | 1410212343311122 |
6 | 41503050442315 |
7 | 4031206264463 |
oct | 643152602547 |
9 | 171205828472 |
10 | 56265213287 |
11 | 21953278578 |
12 | aaa313339b |
13 | 53c8a7691a |
14 | 2a1a8594a3 |
15 | 16e4919492 |
hex | d19ab0567 |
56265213287 has 4 divisors (see below), whose sum is σ = 56484144336. Its totient is φ = 56046282240.
The previous prime is 56265213229. The next prime is 56265213307. The reversal of 56265213287 is 78231256265.
56265213287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78231256265 = 5 ⋅15646251253.
It is a cyclic number.
It is not a de Polignac number, because 56265213287 - 28 = 56265213031 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (56265213217) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109465139 + ... + 109465652.
It is an arithmetic number, because the mean of its divisors is an integer number (14121036084).
Almost surely, 256265213287 is an apocalyptic number.
56265213287 is a deficient number, since it is larger than the sum of its proper divisors (218931049).
56265213287 is a wasteful number, since it uses less digits than its factorization.
56265213287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 218931048.
The product of its digits is 1209600, while the sum is 47.
The spelling of 56265213287 in words is "fifty-six billion, two hundred sixty-five million, two hundred thirteen thousand, two hundred eighty-seven".
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