Base | Representation |
---|---|
bin | 11010011010101000… |
… | …010110100100100001 |
3 | 2201012202000012202110 |
4 | 122122220112210201 |
5 | 431042200320444 |
6 | 21010312305533 |
7 | 2022613434051 |
oct | 323250264441 |
9 | 81182005673 |
10 | 28364073249 |
11 | 11035864056 |
12 | 55b70a22a9 |
13 | 28a04907c5 |
14 | 1531081561 |
15 | b101cecb9 |
hex | 69aa16921 |
28364073249 has 8 divisors (see below), whose sum is σ = 40043397600. Its totient is φ = 17797065536.
The previous prime is 28364073209. The next prime is 28364073251. The reversal of 28364073249 is 94237046382.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28364073249 - 213 = 28364065057 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28364073198 and 28364073207.
It is not an unprimeable number, because it can be changed into a prime (28364073209) 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, 278079099 + ... + 278079200.
It is an arithmetic number, because the mean of its divisors is an integer number (5005424700).
Almost surely, 228364073249 is an apocalyptic number.
It is an amenable number.
28364073249 is a deficient number, since it is larger than the sum of its proper divisors (11679324351).
28364073249 is a wasteful number, since it uses less digits than its factorization.
28364073249 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 556158319.
The product of its (nonzero) digits is 1741824, while the sum is 48.
The spelling of 28364073249 in words is "twenty-eight billion, three hundred sixty-four million, seventy-three thousand, two hundred forty-nine".
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