Base | Representation |
---|---|
bin | 1111011011101110… |
… | …00110100101010001 |
3 | 210101102211201102012 |
4 | 13231313012211101 |
5 | 113432104043434 |
6 | 3450101232305 |
7 | 412216354166 |
oct | 75567064521 |
9 | 23342751365 |
10 | 8285612369 |
11 | 3572015231 |
12 | 1732a02695 |
13 | a20774218 |
14 | 5885b406d |
15 | 3376163ce |
hex | 1eddc6951 |
8285612369 has 2 divisors, whose sum is σ = 8285612370. Its totient is φ = 8285612368.
The previous prime is 8285612341. The next prime is 8285612381. The reversal of 8285612369 is 9632165828.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6693203344 + 1592409025 = 81812^2 + 39905^2 .
It is a cyclic number.
It is not a de Polignac number, because 8285612369 - 212 = 8285608273 is a prime.
It is a super-2 number, since 2×82856123692 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (8285612329) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4142806184 + 4142806185.
It is an arithmetic number, because the mean of its divisors is an integer number (4142806185).
Almost surely, 28285612369 is an apocalyptic number.
It is an amenable number.
8285612369 is a deficient number, since it is larger than the sum of its proper divisors (1).
8285612369 is an equidigital number, since it uses as much as digits as its factorization.
8285612369 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1244160, while the sum is 50.
The square root of 8285612369 is about 91025.3391589397. The cubic root of 8285612369 is about 2023.5232738380.
The spelling of 8285612369 in words is "eight billion, two hundred eighty-five million, six hundred twelve thousand, three hundred sixty-nine".
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