Base | Representation |
---|---|
bin | 1000010110110110000… |
… | …11001000011100101001 |
3 | 1000110011110222022000112 |
4 | 10023123003020130221 |
5 | 14201032033412443 |
6 | 335524524144105 |
7 | 26513445101603 |
oct | 4133303103451 |
9 | 1013143868015 |
10 | 287142872873 |
11 | 10085a7363aa |
12 | 47797698035 |
13 | 21101231a8c |
14 | dc7d768173 |
15 | 7708a7eb18 |
hex | 42db0c8729 |
287142872873 has 2 divisors, whose sum is σ = 287142872874. Its totient is φ = 287142872872.
The previous prime is 287142872867. The next prime is 287142872879. The reversal of 287142872873 is 378278241782.
It is a balanced prime because it is at equal distance from previous prime (287142872867) and next prime (287142872879).
It can be written as a sum of positive squares in only one way, i.e., 270350082304 + 16792790569 = 519952^2 + 129587^2 .
It is a cyclic number.
It is not a de Polignac number, because 287142872873 - 212 = 287142868777 is a prime.
It is not a weakly prime, because it can be changed into another prime (287142872879) 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, 143571436436 + 143571436437.
It is an arithmetic number, because the mean of its divisors is an integer number (143571436437).
Almost surely, 2287142872873 is an apocalyptic number.
It is an amenable number.
287142872873 is a deficient number, since it is larger than the sum of its proper divisors (1).
287142872873 is an equidigital number, since it uses as much as digits as its factorization.
287142872873 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 16859136, while the sum is 59.
The spelling of 287142872873 in words is "two hundred eighty-seven billion, one hundred forty-two million, eight hundred seventy-two thousand, eight hundred seventy-three".
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