Base | Representation |
---|---|
bin | 111110001110110… |
… | …0110000100010001 |
3 | 12101112012010210212 |
4 | 1330131212010101 |
5 | 13234030223011 |
6 | 543111533505 |
7 | 102513556652 |
oct | 17435460421 |
9 | 5345163725 |
10 | 2088132881 |
11 | 98177315a |
12 | 4a338a295 |
13 | 2737c44b3 |
14 | 15b47b529 |
15 | c34c108b |
hex | 7c766111 |
2088132881 has 4 divisors (see below), whose sum is σ = 2088242100. Its totient is φ = 2088023664.
The previous prime is 2088132869. The next prime is 2088132919. The reversal of 2088132881 is 1882318802.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 1421667025 + 666465856 = 37705^2 + 25816^2 .
It is a cyclic number.
It is not a de Polignac number, because 2088132881 - 26 = 2088132817 is a prime.
It is a super-2 number, since 2×20881328812 = 8720597857426720322, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2088132811) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17546 + ... + 66963.
It is an arithmetic number, because the mean of its divisors is an integer number (522060525).
Almost surely, 22088132881 is an apocalyptic number.
It is an amenable number.
2088132881 is a deficient number, since it is larger than the sum of its proper divisors (109219).
2088132881 is an equidigital number, since it uses as much as digits as its factorization.
2088132881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109218.
The product of its (nonzero) digits is 49152, while the sum is 41.
The square root of 2088132881 is about 45696.0926228928. The cubic root of 2088132881 is about 1278.1624187537.
The spelling of 2088132881 in words is "two billion, eighty-eight million, one hundred thirty-two thousand, eight hundred eighty-one".
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