Base | Representation |
---|---|
bin | 11010011001000111… |
… | …110100010000001111 |
3 | 2201010222101111220220 |
4 | 122121013310100033 |
5 | 431014211014423 |
6 | 21004010042423 |
7 | 2022155354361 |
oct | 323107642017 |
9 | 81128344826 |
10 | 28338766863 |
11 | 11022549a90 |
12 | 55aa719413 |
13 | 2898170004 |
14 | 152b974d31 |
15 | b0cd819e3 |
hex | 6991f440f |
28338766863 has 8 divisors (see below), whose sum is σ = 41220024576. Its totient is φ = 17175010200.
The previous prime is 28338766861. The next prime is 28338766927. The reversal of 28338766863 is 36866783382.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28338766863 - 21 = 28338766861 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28338766797 and 28338766806.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28338766861) 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, 429375223 + ... + 429375288.
It is an arithmetic number, because the mean of its divisors is an integer number (5152503072).
Almost surely, 228338766863 is an apocalyptic number.
28338766863 is a deficient number, since it is larger than the sum of its proper divisors (12881257713).
28338766863 is a wasteful number, since it uses less digits than its factorization.
28338766863 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 858750525.
The product of its digits is 41803776, while the sum is 60.
The spelling of 28338766863 in words is "twenty-eight billion, three hundred thirty-eight million, seven hundred sixty-six thousand, eight hundred sixty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •