Base | Representation |
---|---|
bin | 11010010011110111… |
… | …110000011010010101 |
3 | 2200220211121202202120 |
4 | 122103313300122111 |
5 | 430324132430431 |
6 | 20551141530153 |
7 | 2020035511356 |
oct | 322367603225 |
9 | 80824552676 |
10 | 28250670741 |
11 | 10a87849077 |
12 | 5585113959 |
13 | 2882b36827 |
14 | 151dda1d2d |
15 | b0527e196 |
hex | 693df0695 |
28250670741 has 16 divisors (see below), whose sum is σ = 38658332160. Its totient is φ = 18344787440.
The previous prime is 28250670727. The next prime is 28250670757. The reversal of 28250670741 is 14707605282.
It is a cyclic number.
It is not a de Polignac number, because 28250670741 - 214 = 28250654357 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 28250670693 and 28250670702.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28250670241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 781311 + ... + 816668.
It is an arithmetic number, because the mean of its divisors is an integer number (2416145760).
Almost surely, 228250670741 is an apocalyptic number.
It is an amenable number.
28250670741 is a deficient number, since it is larger than the sum of its proper divisors (10407661419).
28250670741 is a wasteful number, since it uses less digits than its factorization.
28250670741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1598136.
The product of its (nonzero) digits is 188160, while the sum is 42.
The spelling of 28250670741 in words is "twenty-eight billion, two hundred fifty million, six hundred seventy thousand, seven hundred forty-one".
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