Base | Representation |
---|---|
bin | 111110111000100… |
… | …1000010101010101 |
3 | 12110001101200122022 |
4 | 1331301020111111 |
5 | 13310131444224 |
6 | 545213142525 |
7 | 103200653300 |
oct | 17561102525 |
9 | 5401350568 |
10 | 2110031189 |
11 | 99306a732 |
12 | 4aa78aa45 |
13 | 2781c0986 |
14 | 16033bb37 |
15 | c539965e |
hex | 7dc48555 |
2110031189 has 6 divisors (see below), whose sum is σ = 2454526134. Its totient is φ = 1808598120.
The previous prime is 2110031159. The next prime is 2110031221. The reversal of 2110031189 is 9811300112.
It can be written as a sum of positive squares in only one way, i.e., 1492508689 + 617522500 = 38633^2 + 24850^2 .
It is a de Polignac number, because none of the positive numbers 2k-2110031189 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2110031159) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21530882 + ... + 21530979.
It is an arithmetic number, because the mean of its divisors is an integer number (409087689).
Almost surely, 22110031189 is an apocalyptic number.
It is an amenable number.
2110031189 is a deficient number, since it is larger than the sum of its proper divisors (344494945).
2110031189 is an equidigital number, since it uses as much as digits as its factorization.
2110031189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43061875 (or 43061868 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 26.
The square root of 2110031189 is about 45935.0758027022. The cubic root of 2110031189 is about 1282.6149319868.
The spelling of 2110031189 in words is "two billion, one hundred ten million, thirty-one thousand, one hundred eighty-nine".
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