Base | Representation |
---|---|
bin | 100001001001001… |
… | …0101000101101101 |
3 | 2212111121121002102 |
4 | 1002102111011231 |
5 | 4234144214404 |
6 | 302204104445 |
7 | 36362463431 |
oct | 10222250555 |
9 | 2774547072 |
10 | 1112101229 |
11 | 520830128 |
12 | 270535125 |
13 | 149529a85 |
14 | a79ac9c1 |
15 | 6797671e |
hex | 4249516d |
1112101229 has 2 divisors, whose sum is σ = 1112101230. Its totient is φ = 1112101228.
The previous prime is 1112101213. The next prime is 1112101231. The reversal of 1112101229 is 9221012111.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 752240329 + 359860900 = 27427^2 + 18970^2 .
It is an emirp because it is prime and its reverse (9221012111) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1112101229 - 24 = 1112101213 is a prime.
Together with 1112101231, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1112101229.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1112101429) 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 as a sum of consecutive naturals, namely, 556050614 + 556050615.
It is an arithmetic number, because the mean of its divisors is an integer number (556050615).
Almost surely, 21112101229 is an apocalyptic number.
It is an amenable number.
1112101229 is a deficient number, since it is larger than the sum of its proper divisors (1).
1112101229 is an equidigital number, since it uses as much as digits as its factorization.
1112101229 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 72, while the sum is 20.
The square root of 1112101229 is about 33348.1817945147. The cubic root of 1112101229 is about 1036.0517299617.
The spelling of 1112101229 in words is "one billion, one hundred twelve million, one hundred one thousand, two hundred twenty-nine".
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