Base | Representation |
---|---|
bin | 11010001000100100… |
… | …100110111010010110 |
3 | 2200102121220122221122 |
4 | 122020210212322112 |
5 | 424432120223333 |
6 | 20520250443542 |
7 | 2012244300116 |
oct | 321044467226 |
9 | 80377818848 |
10 | 28061101718 |
11 | 1099a840061 |
12 | 55317335b2 |
13 | 2852792300 |
14 | 1502b37046 |
15 | ae37d5798 |
hex | 688926e96 |
28061101718 has 48 divisors (see below), whose sum is σ = 45938730096. Its totient is φ = 12849408000.
The previous prime is 28061101711. The next prime is 28061101741. The reversal of 28061101718 is 81710116082.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28061101711) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29947346 + ... + 29948282.
It is an arithmetic number, because the mean of its divisors is an integer number (957056877).
Almost surely, 228061101718 is an apocalyptic number.
28061101718 is a deficient number, since it is larger than the sum of its proper divisors (17877628378).
28061101718 is a wasteful number, since it uses less digits than its factorization.
28061101718 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1569 (or 1556 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 35.
The spelling of 28061101718 in words is "twenty-eight billion, sixty-one million, one hundred one thousand, seven hundred eighteen".
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