Base | Representation |
---|---|
bin | 111110001000111… |
… | …1110111001100101 |
3 | 12101022110111012200 |
4 | 1330101332321211 |
5 | 13232240320434 |
6 | 542522405113 |
7 | 102445651203 |
oct | 17421767145 |
9 | 5338414180 |
10 | 2085088869 |
11 | 97aa84146 |
12 | 4a2360799 |
13 | 272c99ac6 |
14 | 15acc8073 |
15 | c30be199 |
hex | 7c47ee65 |
2085088869 has 6 divisors (see below), whose sum is σ = 3011795046. Its totient is φ = 1390059240.
The previous prime is 2085088829. The next prime is 2085088927. The reversal of 2085088869 is 9688805802.
It can be written as a sum of positive squares in only one way, i.e., 1215428769 + 869660100 = 34863^2 + 29490^2 .
It is not a de Polignac number, because 2085088869 - 211 = 2085086821 is a prime.
It is a super-2 number, since 2×20850888692 = 8695191183255398322, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2085088829) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115838262 + ... + 115838279.
It is an arithmetic number, because the mean of its divisors is an integer number (501965841).
Almost surely, 22085088869 is an apocalyptic number.
It is an amenable number.
2085088869 is a deficient number, since it is larger than the sum of its proper divisors (926706177).
2085088869 is a wasteful number, since it uses less digits than its factorization.
2085088869 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 231676547 (or 231676544 counting only the distinct ones).
The product of its (nonzero) digits is 2211840, while the sum is 54.
The square root of 2085088869 is about 45662.7733389027. The cubic root of 2085088869 is about 1277.5410288816.
The spelling of 2085088869 in words is "two billion, eighty-five million, eighty-eight thousand, eight hundred sixty-nine".
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