Base | Representation |
---|---|
bin | 111110101011111… |
… | …1111111101010111 |
3 | 12102120222222201221 |
4 | 1331113333331113 |
5 | 13301440141122 |
6 | 544420031211 |
7 | 103060654501 |
oct | 17527777527 |
9 | 5376888657 |
10 | 2103443287 |
11 | 98a380090 |
12 | 4a8532507 |
13 | 276a251ca |
14 | 15d504d71 |
15 | c49e76c7 |
hex | 7d5fff57 |
2103443287 has 8 divisors (see below), whose sum is σ = 2296711440. Its totient is φ = 1910516160.
The previous prime is 2103443273. The next prime is 2103443291. The reversal of 2103443287 is 7823443012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2103443287 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2103443207) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72268 + ... + 97105.
It is an arithmetic number, because the mean of its divisors is an integer number (287088930).
Almost surely, 22103443287 is an apocalyptic number.
2103443287 is a deficient number, since it is larger than the sum of its proper divisors (193268153).
2103443287 is a wasteful number, since it uses less digits than its factorization.
2103443287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 170513.
The product of its (nonzero) digits is 32256, while the sum is 34.
The square root of 2103443287 is about 45863.3109031609. The cubic root of 2103443287 is about 1281.2786878145.
Adding to 2103443287 its reverse (7823443012), we get a palindrome (9926886299).
The spelling of 2103443287 in words is "two billion, one hundred three million, four hundred forty-three thousand, two hundred eighty-seven".
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