Base | Representation |
---|---|
bin | 11010111111100000… |
… | …010001001101000101 |
3 | 2202210212002021100210 |
4 | 122333200101031011 |
5 | 433324033223414 |
6 | 21151532030033 |
7 | 2044134660012 |
oct | 327740211505 |
9 | 82725067323 |
10 | 28982711109 |
11 | 11322a91910 |
12 | 574a302319 |
13 | 296b6b3801 |
14 | 158d2ba709 |
15 | b4967ee59 |
hex | 6bf811345 |
28982711109 has 16 divisors (see below), whose sum is σ = 42216842304. Its totient is φ = 17540208000.
The previous prime is 28982711101. The next prime is 28982711123. The reversal of 28982711109 is 90111728982.
It is not a de Polignac number, because 28982711109 - 23 = 28982711101 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28982711101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603304 + ... + 649569.
It is an arithmetic number, because the mean of its divisors is an integer number (2638552644).
Almost surely, 228982711109 is an apocalyptic number.
It is an amenable number.
28982711109 is a deficient number, since it is larger than the sum of its proper divisors (13234131195).
28982711109 is a wasteful number, since it uses less digits than its factorization.
28982711109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1253588.
The product of its (nonzero) digits is 145152, while the sum is 48.
The spelling of 28982711109 in words is "twenty-eight billion, nine hundred eighty-two million, seven hundred eleven thousand, one hundred nine".
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