Base | Representation |
---|---|
bin | 110101111110010… |
… | …1001010110000101 |
3 | 11200012211101102001 |
4 | 1223330221112011 |
5 | 12202112410401 |
6 | 455413145301 |
7 | 62610520414 |
oct | 15374512605 |
9 | 4605741361 |
10 | 1811060101 |
11 | 84a329294 |
12 | 42662b231 |
13 | 22b2932c6 |
14 | 13275547b |
15 | a8ee0601 |
hex | 6bf29585 |
1811060101 has 2 divisors, whose sum is σ = 1811060102. Its totient is φ = 1811060100.
The previous prime is 1811060093. The next prime is 1811060113. The reversal of 1811060101 is 1010601181.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1542132900 + 268927201 = 39270^2 + 16399^2 .
It is an emirp because it is prime and its reverse (1010601181) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 1010901181 and 1811090101.
It is a cyclic number.
It is not a de Polignac number, because 1811060101 - 23 = 1811060093 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1811060161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 905530050 + 905530051.
It is an arithmetic number, because the mean of its divisors is an integer number (905530051).
Almost surely, 21811060101 is an apocalyptic number.
It is an amenable number.
1811060101 is a deficient number, since it is larger than the sum of its proper divisors (1).
1811060101 is an equidigital number, since it uses as much as digits as its factorization.
1811060101 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 48, while the sum is 19.
The square root of 1811060101 is about 42556.5517987536. The cubic root of 1811060101 is about 1218.9267864136.
Adding to 1811060101 its reverse (1010601181), we get a palindrome (2821661282).
The spelling of 1811060101 in words is "one billion, eight hundred eleven million, sixty thousand, one hundred one".
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