Base | Representation |
---|---|
bin | 11010001000100011… |
… | …111000100000111110 |
3 | 2200102121120000021010 |
4 | 122020203320200332 |
5 | 424432043133203 |
6 | 20520242420050 |
7 | 2012242546062 |
oct | 321043704076 |
9 | 80377500233 |
10 | 28060911678 |
11 | 1099a7202a8 |
12 | 5531661626 |
13 | 2852726967 |
14 | 1502ac7aa2 |
15 | ae3799303 |
hex | 6888f883e |
28060911678 has 16 divisors (see below), whose sum is σ = 57315905280. Its totient is φ = 9154623576.
The previous prime is 28060911673. The next prime is 28060911679. The reversal of 28060911678 is 87611906082.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28060911673) 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, 49753108 + ... + 49753671.
It is an arithmetic number, because the mean of its divisors is an integer number (3582244080).
Almost surely, 228060911678 is an apocalyptic number.
28060911678 is an abundant number, since it is smaller than the sum of its proper divisors (29254993602).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28060911678 is a wasteful number, since it uses less digits than its factorization.
28060911678 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99506831.
The product of its (nonzero) digits is 290304, while the sum is 48.
The spelling of 28060911678 in words is "twenty-eight billion, sixty million, nine hundred eleven thousand, six hundred seventy-eight".
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