Base | Representation |
---|---|
bin | 100000101001010… |
… | …0100110011100101 |
3 | 2211100011111101100 |
4 | 1001102210303211 |
5 | 4220404412024 |
6 | 300405550313 |
7 | 36100435104 |
oct | 10122446345 |
9 | 2740144340 |
10 | 1095388389 |
11 | 512355567 |
12 | 266a15399 |
13 | 145c27914 |
14 | a569c03b |
15 | 662747c9 |
hex | 414a4ce5 |
1095388389 has 6 divisors (see below), whose sum is σ = 1582227686. Its totient is φ = 730258920.
The previous prime is 1095388369. The next prime is 1095388391. The reversal of 1095388389 is 9838835901.
It can be written as a sum of positive squares in only one way, i.e., 699179364 + 396209025 = 26442^2 + 19905^2 .
It is not a de Polignac number, because 1095388389 - 212 = 1095384293 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 (1095388369) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60854902 + ... + 60854919.
Almost surely, 21095388389 is an apocalyptic number.
It is an amenable number.
1095388389 is a deficient number, since it is larger than the sum of its proper divisors (486839297).
1095388389 is a wasteful number, since it uses less digits than its factorization.
1095388389 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121709827 (or 121709824 counting only the distinct ones).
The product of its (nonzero) digits is 1866240, while the sum is 54.
The square root of 1095388389 is about 33096.6522325144. The cubic root of 1095388389 is about 1030.8355268395.
The spelling of 1095388389 in words is "one billion, ninety-five million, three hundred eighty-eight thousand, three hundred eighty-nine".
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