Base | Representation |
---|---|
bin | 1000010010110111101… |
… | …01001101101111000111 |
3 | 1000020122201210211200021 |
4 | 10021123311031233013 |
5 | 14132144140034322 |
6 | 334533041400011 |
7 | 26406530301106 |
oct | 4113365155707 |
9 | 1006581724607 |
10 | 285008518087 |
11 | aa964973027 |
12 | 472a0939007 |
13 | 20b50ca5a57 |
14 | db1a0d803d |
15 | 76314cd4c7 |
hex | 425bd4dbc7 |
285008518087 has 2 divisors, whose sum is σ = 285008518088. Its totient is φ = 285008518086.
The previous prime is 285008518063. The next prime is 285008518103. The reversal of 285008518087 is 780815800582.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-285008518087 is a prime.
It is a super-2 number, since 2×2850085180872 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (285008518037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142504259043 + 142504259044.
It is an arithmetic number, because the mean of its divisors is an integer number (142504259044).
Almost surely, 2285008518087 is an apocalyptic number.
285008518087 is a deficient number, since it is larger than the sum of its proper divisors (1).
285008518087 is an equidigital number, since it uses as much as digits as its factorization.
285008518087 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1433600, while the sum is 52.
The spelling of 285008518087 in words is "two hundred eighty-five billion, eight million, five hundred eighteen thousand, eighty-seven".
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