Base | Representation |
---|---|
bin | 11010001011000001… |
… | …110010001101110110 |
3 | 2200112111102222201102 |
4 | 122023001302031312 |
5 | 430023142222010 |
6 | 20524321530102 |
7 | 2013254435201 |
oct | 321301621566 |
9 | 80474388642 |
10 | 28102304630 |
11 | 10a11022454 |
12 | 55434a3932 |
13 | 285b18a52a |
14 | 15083c0938 |
15 | ae7223ba5 |
hex | 68b072376 |
28102304630 has 16 divisors (see below), whose sum is σ = 50591064240. Its totient is φ = 11239384992.
The previous prime is 28102304617. The next prime is 28102304641. The reversal of 28102304630 is 3640320182.
It is a junction number, because it is equal to n+sod(n) for n = 28102304593 and 28102304602.
It is a congruent number.
It is an unprimeable number.
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, 113789 + ... + 262968.
It is an arithmetic number, because the mean of its divisors is an integer number (3161941515).
Almost surely, 228102304630 is an apocalyptic number.
28102304630 is a deficient number, since it is larger than the sum of its proper divisors (22488759610).
28102304630 is a wasteful number, since it uses less digits than its factorization.
28102304630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 384223.
The product of its (nonzero) digits is 6912, while the sum is 29.
The spelling of 28102304630 in words is "twenty-eight billion, one hundred two million, three hundred four thousand, six hundred thirty".
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