Base | Representation |
---|---|
bin | 1100111001110101101001… |
… | …00101101010001001000001 |
3 | 10201110200100012220011020122 |
4 | 12130322310211222021001 |
5 | 12204401143413300233 |
6 | 140203321352550025 |
7 | 5656032263036222 |
oct | 634726445521101 |
9 | 121420305804218 |
10 | 28375583728193 |
11 | 90500212a0239 |
12 | 32234656b2315 |
13 | 12aaa62bcc100 |
14 | 701558065249 |
15 | 3431a9dc8d98 |
hex | 19ceb496a241 |
28375583728193 has 12 divisors (see below), whose sum is σ = 30727392196608. Its totient is φ = 26191850508720.
The previous prime is 28375583728181. The next prime is 28375583728223. The reversal of 28375583728193 is 39182738557382.
It is not a de Polignac number, because 28375583728193 - 230 = 28374509986369 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28375583722193) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1283648 + ... + 7641918.
It is an arithmetic number, because the mean of its divisors is an integer number (2560616016384).
Almost surely, 228375583728193 is an apocalyptic number.
It is an amenable number.
28375583728193 is a deficient number, since it is larger than the sum of its proper divisors (2351808468415).
28375583728193 is a wasteful number, since it uses less digits than its factorization.
28375583728193 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6384704 (or 6384691 counting only the distinct ones).
The product of its digits is 609638400, while the sum is 71.
The spelling of 28375583728193 in words is "twenty-eight trillion, three hundred seventy-five billion, five hundred eighty-three million, seven hundred twenty-eight thousand, one hundred ninety-three".
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