Base | Representation |
---|---|
bin | 11010001000010111… |
… | …110011000111011011 |
3 | 2200102101121001210121 |
4 | 122020113303013123 |
5 | 424430240300320 |
6 | 20520050454111 |
7 | 2012203613302 |
oct | 321027630733 |
9 | 80371531717 |
10 | 28057743835 |
11 | 10998957250 |
12 | 5530594337 |
13 | 2851b87ab4 |
14 | 1502501439 |
15 | ae33708aa |
hex | 6885f31db |
28057743835 has 32 divisors (see below), whose sum is σ = 37148626944. Its totient is φ = 20173920000.
The previous prime is 28057743799. The next prime is 28057743839. The reversal of 28057743835 is 53834775082.
It is not a de Polignac number, because 28057743835 - 217 = 28057612763 is a prime.
It is a super-3 number, since 3×280577438353 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (28057743839) 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 31 ways as a sum of consecutive naturals, for example, 3061510 + ... + 3070660.
It is an arithmetic number, because the mean of its divisors is an integer number (1160894592).
Almost surely, 228057743835 is an apocalyptic number.
28057743835 is a deficient number, since it is larger than the sum of its proper divisors (9090883109).
28057743835 is a wasteful number, since it uses less digits than its factorization.
28057743835 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9795.
The product of its (nonzero) digits is 5644800, while the sum is 52.
The spelling of 28057743835 in words is "twenty-eight billion, fifty-seven million, seven hundred forty-three thousand, eight hundred thirty-five".
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