Base | Representation |
---|---|
bin | 11010100110110011… |
… | …101100000111100010 |
3 | 2201201222102122112002 |
4 | 122212303230013202 |
5 | 432002000343212 |
6 | 21042451204002 |
7 | 2030644103234 |
oct | 324663540742 |
9 | 81658378462 |
10 | 28568371682 |
11 | 11130112534 |
12 | 56535a6602 |
13 | 29038c1456 |
14 | 1550262254 |
15 | b230d7ac2 |
hex | 6a6cec1e2 |
28568371682 has 32 divisors (see below), whose sum is σ = 44195980800. Its totient is φ = 13844001600.
The previous prime is 28568371681. The next prime is 28568371697. The reversal of 28568371682 is 28617386582.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (28568371681) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5211419 + ... + 5216897.
It is an arithmetic number, because the mean of its divisors is an integer number (1381124400).
Almost surely, 228568371682 is an apocalyptic number.
28568371682 is a deficient number, since it is larger than the sum of its proper divisors (15627609118).
28568371682 is a wasteful number, since it uses less digits than its factorization.
28568371682 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6162.
The product of its digits is 7741440, while the sum is 56.
The spelling of 28568371682 in words is "twenty-eight billion, five hundred sixty-eight million, three hundred seventy-one thousand, six hundred eighty-two".
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