Base | Representation |
---|---|
bin | 11010101001000010… |
… | …010111110011000110 |
3 | 2201211120210221021212 |
4 | 122221002113303012 |
5 | 432041034300141 |
6 | 21050305011422 |
7 | 2031610035032 |
oct | 325102276306 |
9 | 81746727255 |
10 | 28605775046 |
11 | 1114a23a202 |
12 | 5664023b72 |
13 | 290b589114 |
14 | 15551db1c2 |
15 | b265252eb |
hex | 6a9097cc6 |
28605775046 has 16 divisors (see below), whose sum is σ = 43066002240. Its totient is φ = 14250487680.
The previous prime is 28605775031. The next prime is 28605775049. The reversal of 28605775046 is 64057750682.
It is a junction number, because it is equal to n+sod(n) for n = 28605774985 and 28605775003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28605775049) 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 7 ways as a sum of consecutive naturals, for example, 1359635 + ... + 1380513.
It is an arithmetic number, because the mean of its divisors is an integer number (2691625140).
Almost surely, 228605775046 is an apocalyptic number.
28605775046 is a deficient number, since it is larger than the sum of its proper divisors (14460227194).
28605775046 is a wasteful number, since it uses less digits than its factorization.
28605775046 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23359.
The product of its (nonzero) digits is 2822400, while the sum is 50.
The spelling of 28605775046 in words is "twenty-eight billion, six hundred five million, seven hundred seventy-five thousand, forty-six".
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