Base | Representation |
---|---|
bin | 101000101100100101… |
… | …0111100011010000011 |
3 | 22100120201211122210121 |
4 | 1101121022330122003 |
5 | 2412441204341021 |
6 | 104052054241111 |
7 | 6212511350452 |
oct | 1213112743203 |
9 | 270521748717 |
10 | 87395387011 |
11 | 34078465879 |
12 | 14b30656197 |
13 | 831a32576a |
14 | 4331018b99 |
15 | 2417889741 |
hex | 14592bc683 |
87395387011 has 2 divisors, whose sum is σ = 87395387012. Its totient is φ = 87395387010.
The previous prime is 87395387003. The next prime is 87395387041. The reversal of 87395387011 is 11078359378.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 87395387011 - 23 = 87395387003 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 87395387011.
It is not a weakly prime, because it can be changed into another prime (87395387041) 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, 43697693505 + 43697693506.
It is an arithmetic number, because the mean of its divisors is an integer number (43697693506).
Almost surely, 287395387011 is an apocalyptic number.
87395387011 is a deficient number, since it is larger than the sum of its proper divisors (1).
87395387011 is an equidigital number, since it uses as much as digits as its factorization.
87395387011 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1270080, while the sum is 52.
The spelling of 87395387011 in words is "eighty-seven billion, three hundred ninety-five million, three hundred eighty-seven thousand, eleven".
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