Base | Representation |
---|---|
bin | 1000010010110111101… |
… | …01101010010010110101 |
3 | 1000020122202000210010122 |
4 | 10021123311222102311 |
5 | 14132144202310221 |
6 | 334533044101325 |
7 | 26406531266123 |
oct | 4113365522265 |
9 | 1006582023118 |
10 | 285008635061 |
11 | aa964a429a7 |
12 | 472a0994845 |
13 | 20b51017077 |
14 | db1a128913 |
15 | 7631502eab |
hex | 425bd6a4b5 |
285008635061 has 2 divisors, whose sum is σ = 285008635062. Its totient is φ = 285008635060.
The previous prime is 285008635027. The next prime is 285008635069. The reversal of 285008635061 is 160536800582.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 217911576100 + 67097058961 = 466810^2 + 259031^2 .
It is a cyclic number.
It is not a de Polignac number, because 285008635061 - 214 = 285008618677 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (285008635069) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142504317530 + 142504317531.
It is an arithmetic number, because the mean of its divisors is an integer number (142504317531).
Almost surely, 2285008635061 is an apocalyptic number.
It is an amenable number.
285008635061 is a deficient number, since it is larger than the sum of its proper divisors (1).
285008635061 is an equidigital number, since it uses as much as digits as its factorization.
285008635061 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 345600, while the sum is 44.
The spelling of 285008635061 in words is "two hundred eighty-five billion, eight million, six hundred thirty-five thousand, sixty-one".
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