Base | Representation |
---|---|
bin | 11010110001001110… |
… | …100100001011010110 |
3 | 2202012011101022002012 |
4 | 122301032210023112 |
5 | 432331224023311 |
6 | 21112054144222 |
7 | 2035166035304 |
oct | 326116441326 |
9 | 82164338065 |
10 | 28743189206 |
11 | 1120a865526 |
12 | 56a2052072 |
13 | 2930b9c484 |
14 | 156956b274 |
15 | b3361a78b |
hex | 6b13a42d6 |
28743189206 has 16 divisors (see below), whose sum is σ = 43205674848. Its totient is φ = 14341320000.
The previous prime is 28743189193. The next prime is 28743189271. The reversal of 28743189206 is 60298134782.
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, 3906431 + ... + 3913781.
It is an arithmetic number, because the mean of its divisors is an integer number (2700354678).
Almost surely, 228743189206 is an apocalyptic number.
28743189206 is a deficient number, since it is larger than the sum of its proper divisors (14462485642).
28743189206 is a wasteful number, since it uses less digits than its factorization.
28743189206 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11207.
The product of its (nonzero) digits is 1161216, while the sum is 50.
The spelling of 28743189206 in words is "twenty-eight billion, seven hundred forty-three million, one hundred eighty-nine thousand, two hundred six".
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