Base | Representation |
---|---|
bin | 100001011100001… |
… | …1110101101011101 |
3 | 2220012102200201101 |
4 | 1002320132231131 |
5 | 4244224231414 |
6 | 303202313101 |
7 | 36543465502 |
oct | 10270365535 |
9 | 2805380641 |
10 | 1122102109 |
11 | 526440a17 |
12 | 273958791 |
13 | 14b61bb5b |
14 | a90534a9 |
15 | 6879ea74 |
hex | 42e1eb5d |
1122102109 has 2 divisors, whose sum is σ = 1122102110. Its totient is φ = 1122102108.
The previous prime is 1122102101. The next prime is 1122102143. The reversal of 1122102109 is 9012012211.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1081423225 + 40678884 = 32885^2 + 6378^2 .
It is an emirp because it is prime and its reverse (9012012211) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1122102109 - 23 = 1122102101 is a prime.
It is a super-2 number, since 2×11221021092 = 2518226286044495762, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1122102101) 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, 561051054 + 561051055.
It is an arithmetic number, because the mean of its divisors is an integer number (561051055).
Almost surely, 21122102109 is an apocalyptic number.
It is an amenable number.
1122102109 is a deficient number, since it is larger than the sum of its proper divisors (1).
1122102109 is an equidigital number, since it uses as much as digits as its factorization.
1122102109 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 19.
The square root of 1122102109 is about 33497.7925989161. The cubic root of 1122102109 is about 1039.1481279209.
It can be divided in two parts, 1122102 and 109, that added together give a palindrome (1122211).
The spelling of 1122102109 in words is "one billion, one hundred twenty-two million, one hundred two thousand, one hundred nine".
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