Base | Representation |
---|---|
bin | 11010111010110001… |
… | …100010010001001011 |
3 | 2202121022202101021020 |
4 | 122322301202101023 |
5 | 433143224220441 |
6 | 21140015043523 |
7 | 2042152301346 |
oct | 327261422113 |
9 | 82538671236 |
10 | 28903351371 |
11 | 11292208754 |
12 | 57278105a3 |
13 | 295811899b |
14 | 158293d45d |
15 | b42705e66 |
hex | 6bac6244b |
28903351371 has 4 divisors (see below), whose sum is σ = 38537801832. Its totient is φ = 19268900912.
The previous prime is 28903351369. The next prime is 28903351387. The reversal of 28903351371 is 17315330982.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 28903351371 - 21 = 28903351369 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28903352371) 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 3 ways as a sum of consecutive naturals, for example, 4817225226 + ... + 4817225231.
It is an arithmetic number, because the mean of its divisors is an integer number (9634450458).
Almost surely, 228903351371 is an apocalyptic number.
28903351371 is a deficient number, since it is larger than the sum of its proper divisors (9634450461).
28903351371 is an equidigital number, since it uses as much as digits as its factorization.
28903351371 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9634450460.
The product of its (nonzero) digits is 136080, while the sum is 42.
The spelling of 28903351371 in words is "twenty-eight billion, nine hundred three million, three hundred fifty-one thousand, three hundred seventy-one".
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