Base | Representation |
---|---|
bin | 111110101101100… |
… | …0010001011010101 |
3 | 12102122111101222120 |
4 | 1331123002023111 |
5 | 13302141120210 |
6 | 544445050153 |
7 | 103100510004 |
oct | 17533021325 |
9 | 5378441876 |
10 | 2104238805 |
11 | 98a873839 |
12 | 4a8856959 |
13 | 276c43326 |
14 | 15d670c3b |
15 | c4b03270 |
hex | 7d6c22d5 |
2104238805 has 16 divisors (see below), whose sum is σ = 3367567104. Its totient is φ = 1121999040.
The previous prime is 2104238791. The next prime is 2104238813. The reversal of 2104238805 is 5088324012.
It is a de Polignac number, because none of the positive numbers 2k-2104238805 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 (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62340 + ... + 89970.
It is an arithmetic number, because the mean of its divisors is an integer number (210472944).
Almost surely, 22104238805 is an apocalyptic number.
It is an amenable number.
2104238805 is a deficient number, since it is larger than the sum of its proper divisors (1263328299).
2104238805 is a wasteful number, since it uses less digits than its factorization.
2104238805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32716.
The product of its (nonzero) digits is 15360, while the sum is 33.
The square root of 2104238805 is about 45871.9827890620. The cubic root of 2104238805 is about 1281.4401931260.
The spelling of 2104238805 in words is "two billion, one hundred four million, two hundred thirty-eight thousand, eight hundred five".
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