Base | Representation |
---|---|
bin | 111111110001111… |
… | …0101101110111101 |
3 | 12112010222102102221 |
4 | 1333203311232331 |
5 | 13340331222230 |
6 | 552205445341 |
7 | 104014364110 |
oct | 17743655675 |
9 | 5463872387 |
10 | 2140101565 |
11 | 9a9038a88 |
12 | 4b8870851 |
13 | 2814bb9b4 |
14 | 164328577 |
15 | c7d3927a |
hex | 7f8f5bbd |
2140101565 has 16 divisors (see below), whose sum is σ = 2967978240. Its totient is φ = 1451007360.
The previous prime is 2140101527. The next prime is 2140101581. The reversal of 2140101565 is 5651010412.
It is a happy number.
It is not a de Polignac number, because 2140101565 - 27 = 2140101437 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340401 + ... + 346630.
It is an arithmetic number, because the mean of its divisors is an integer number (185498640).
Almost surely, 22140101565 is an apocalyptic number.
It is an amenable number.
2140101565 is a deficient number, since it is larger than the sum of its proper divisors (827876675).
2140101565 is an equidigital number, since it uses as much as digits as its factorization.
2140101565 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 687132.
The product of its (nonzero) digits is 1200, while the sum is 25.
The square root of 2140101565 is about 46261.2317713223. The cubic root of 2140101565 is about 1288.6791289213.
Adding to 2140101565 its reverse (5651010412), we get a palindrome (7791111977).
The spelling of 2140101565 in words is "two billion, one hundred forty million, one hundred one thousand, five hundred sixty-five".
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