Base | Representation |
---|---|
bin | 10111111001110111… |
… | …11001011111001001 |
3 | 1020010101111002112002 |
4 | 23330323321133021 |
5 | 202240333314420 |
6 | 5521242200345 |
7 | 633011623163 |
oct | 137473713711 |
9 | 36111432462 |
10 | 12833494985 |
11 | 549619a803 |
12 | 25a1ab30b5 |
13 | 1296a4441c |
14 | 89a5c5933 |
15 | 501a12075 |
hex | 2fcef97c9 |
12833494985 has 8 divisors (see below), whose sum is σ = 15401512320. Its totient is φ = 10265917104.
The previous prime is 12833494963. The next prime is 12833494987. The reversal of 12833494985 is 58949433821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12833494985 - 220 = 12832446409 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12833494985.
It is not an unprimeable number, because it can be changed into a prime (12833494987) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41777 + ... + 165566.
It is an arithmetic number, because the mean of its divisors is an integer number (1925189040).
Almost surely, 212833494985 is an apocalyptic number.
It is an amenable number.
12833494985 is a deficient number, since it is larger than the sum of its proper divisors (2568017335).
12833494985 is a wasteful number, since it uses less digits than its factorization.
12833494985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 219727.
The product of its digits is 7464960, while the sum is 56.
The spelling of 12833494985 in words is "twelve billion, eight hundred thirty-three million, four hundred ninety-four thousand, nine hundred eighty-five".
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