Base | Representation |
---|---|
bin | 111100111011110101… |
… | …110101001001111101 |
3 | 20020212211012222121221 |
4 | 330323311311021331 |
5 | 2032444142222131 |
6 | 50020223153341 |
7 | 4504243605631 |
oct | 747365651175 |
9 | 206784188557 |
10 | 65428476541 |
11 | 2582573a90a |
12 | 1081ba45851 |
13 | 62292baa9c |
14 | 324980cdc1 |
15 | 1a7e0e5411 |
hex | f3bd7527d |
65428476541 has 8 divisors (see below), whose sum is σ = 67169701368. Its totient is φ = 63694176000.
The previous prime is 65428476539. The next prime is 65428476557. The reversal of 65428476541 is 14567482456.
It can be written as a sum of positive squares in 4 ways, for example, as 9672100 + 65418804441 = 3110^2 + 255771^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 65428476541 - 21 = 65428476539 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 (65428471541) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1711920 + ... + 1749721.
It is an arithmetic number, because the mean of its divisors is an integer number (8396212671).
Almost surely, 265428476541 is an apocalyptic number.
It is an amenable number.
65428476541 is a deficient number, since it is larger than the sum of its proper divisors (1741224827).
65428476541 is a wasteful number, since it uses less digits than its factorization.
65428476541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3462143.
The product of its digits is 6451200, while the sum is 52.
The spelling of 65428476541 in words is "sixty-five billion, four hundred twenty-eight million, four hundred seventy-six thousand, five hundred forty-one".
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