Base | Representation |
---|---|
bin | 11010100110110010… |
… | …011011100001101011 |
3 | 2201201221210212201001 |
4 | 122212302123201223 |
5 | 432001404312304 |
6 | 21042440135431 |
7 | 2030641226650 |
oct | 324662334153 |
9 | 81657725631 |
10 | 28568041579 |
11 | 1112aa07520 |
12 | 5653467577 |
13 | 290380711c |
14 | 15501b7c27 |
15 | b2306eda4 |
hex | 6a6c9b86b |
28568041579 has 16 divisors (see below), whose sum is σ = 35676619776. Its totient is φ = 22223736000.
The previous prime is 28568041577. The next prime is 28568041583. The reversal of 28568041579 is 97514086582.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 28568041579 - 21 = 28568041577 is a prime.
It is a super-2 number, since 2×285680415792 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (28568041571) 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, 262387 + ... + 354940.
It is an arithmetic number, because the mean of its divisors is an integer number (2229788736).
Almost surely, 228568041579 is an apocalyptic number.
28568041579 is a deficient number, since it is larger than the sum of its proper divisors (7108578197).
28568041579 is a wasteful number, since it uses less digits than its factorization.
28568041579 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 617946.
The product of its (nonzero) digits is 4838400, while the sum is 55.
The spelling of 28568041579 in words is "twenty-eight billion, five hundred sixty-eight million, forty-one thousand, five hundred seventy-nine".
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