Base | Representation |
---|---|
bin | 101000100111011110… |
… | …0100000011100100011 |
3 | 22100010210000200020121 |
4 | 1101032330200130203 |
5 | 2412113300032212 |
6 | 104023045221111 |
7 | 6205326216235 |
oct | 1211674403443 |
9 | 270123020217 |
10 | 87223830307 |
11 | 33a9a63a779 |
12 | 14aa3101797 |
13 | 82c0919a13 |
14 | 431631c255 |
15 | 240779cd07 |
hex | 144ef20723 |
87223830307 has 2 divisors, whose sum is σ = 87223830308. Its totient is φ = 87223830306.
The previous prime is 87223830289. The next prime is 87223830359. The reversal of 87223830307 is 70303832278.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 87223830307 - 215 = 87223797539 is a prime.
It is a super-3 number, since 3×872238303073 (a number of 34 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (87223831307) 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 as a sum of consecutive naturals, namely, 43611915153 + 43611915154.
It is an arithmetic number, because the mean of its divisors is an integer number (43611915154).
Almost surely, 287223830307 is an apocalyptic number.
87223830307 is a deficient number, since it is larger than the sum of its proper divisors (1).
87223830307 is an equidigital number, since it uses as much as digits as its factorization.
87223830307 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 338688, while the sum is 43.
The spelling of 87223830307 in words is "eighty-seven billion, two hundred twenty-three million, eight hundred thirty thousand, three hundred seven".
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