Base | Representation |
---|---|
bin | 111110101101110… |
… | …1001110011010101 |
3 | 12102122210122121211 |
4 | 1331123221303111 |
5 | 13302211313414 |
6 | 544452341421 |
7 | 103102054126 |
oct | 17533516325 |
9 | 5378718554 |
10 | 2104401109 |
11 | 98a974778 |
12 | 4a8914871 |
13 | 276c9c175 |
14 | 15d6b404d |
15 | c4b363c4 |
hex | 7d6e9cd5 |
2104401109 has 2 divisors, whose sum is σ = 2104401110. Its totient is φ = 2104401108.
The previous prime is 2104401073. The next prime is 2104401127. The reversal of 2104401109 is 9011044012.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2029232209 + 75168900 = 45047^2 + 8670^2 .
It is a cyclic number.
It is not a de Polignac number, because 2104401109 - 211 = 2104399061 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2104401109.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2104401139) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052200554 + 1052200555.
It is an arithmetic number, because the mean of its divisors is an integer number (1052200555).
Almost surely, 22104401109 is an apocalyptic number.
It is an amenable number.
2104401109 is a deficient number, since it is larger than the sum of its proper divisors (1).
2104401109 is an equidigital number, since it uses as much as digits as its factorization.
2104401109 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 288, while the sum is 22.
The square root of 2104401109 is about 45873.7518522303. The cubic root of 2104401109 is about 1281.4731389307.
The spelling of 2104401109 in words is "two billion, one hundred four million, four hundred one thousand, one hundred nine".
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