Base | Representation |
---|---|
bin | 1100110110101000001110… |
… | …10010100011110100011001 |
3 | 10201002010200111112000021101 |
4 | 12123110013102203310121 |
5 | 12201044314313041133 |
6 | 140040522302311401 |
7 | 5645046351354301 |
oct | 633240722436431 |
9 | 121063614460241 |
10 | 28265302080793 |
11 | 900827a171288 |
12 | 3206008588561 |
13 | 12a053925ba4b |
14 | 6da0956c8601 |
15 | 3403a31ea37d |
hex | 19b5074a3d19 |
28265302080793 has 8 divisors (see below), whose sum is σ = 28294126962696. Its totient is φ = 28236481315200.
The previous prime is 28265302080751. The next prime is 28265302080817. The reversal of 28265302080793 is 39708020356282.
It can be written as a sum of positive squares in 4 ways, for example, as 10815074122384 + 17450227958409 = 3288628^2 + 4177347^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-28265302080793 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28265302080293) 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, 12805983 + ... + 14850043.
It is an arithmetic number, because the mean of its divisors is an integer number (3536765870337).
Almost surely, 228265302080793 is an apocalyptic number.
It is an amenable number.
28265302080793 is a deficient number, since it is larger than the sum of its proper divisors (28824881903).
28265302080793 is a wasteful number, since it uses less digits than its factorization.
28265302080793 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2058155.
The product of its (nonzero) digits is 8709120, while the sum is 55.
The spelling of 28265302080793 in words is "twenty-eight trillion, two hundred sixty-five billion, three hundred two million, eighty thousand, seven hundred ninety-three".
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