Base | Representation |
---|---|
bin | 1101000111111001100011… |
… | …00000100101110011101001 |
3 | 10210011212101112021211221112 |
4 | 12203330301200211303221 |
5 | 12240310122231420443 |
6 | 141213302215520105 |
7 | 6035654611454513 |
oct | 643746140456351 |
9 | 123155345254845 |
10 | 28858715888873 |
11 | 9216a04857362 |
12 | 32a1019689035 |
13 | 131449954a870 |
14 | 71aaaad6cbb3 |
15 | 350a34c3db18 |
hex | 1a3f31825ce9 |
28858715888873 has 8 divisors (see below), whose sum is σ = 31542477068928. Its totient is φ = 26241220417104.
The previous prime is 28858715888851. The next prime is 28858715888887. The reversal of 28858715888873 is 37888851785882.
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 28858715888873 - 28 = 28858715888617 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28858715887873) 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, 16566426161 + ... + 16566427902.
It is an arithmetic number, because the mean of its divisors is an integer number (3942809633616).
Almost surely, 228858715888873 is an apocalyptic number.
It is an amenable number.
28858715888873 is a deficient number, since it is larger than the sum of its proper divisors (2683761180055).
28858715888873 is a wasteful number, since it uses less digits than its factorization.
28858715888873 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33132854143.
The product of its digits is 15414067200, while the sum is 86.
The spelling of 28858715888873 in words is "twenty-eight trillion, eight hundred fifty-eight billion, seven hundred fifteen million, eight hundred eighty-eight thousand, eight hundred seventy-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •