Base | Representation |
---|---|
bin | 111110101011100… |
… | …1011111010110011 |
3 | 12102120121011100021 |
4 | 1331113023322303 |
5 | 13301411331011 |
6 | 544411304311 |
7 | 103056106162 |
oct | 17527137263 |
9 | 5376534307 |
10 | 2103230131 |
11 | 98a244a22 |
12 | 4a844b097 |
13 | 27697c192 |
14 | 15d48b3d9 |
15 | c49a4471 |
hex | 7d5cbeb3 |
2103230131 has 4 divisors (see below), whose sum is σ = 2114980200. Its totient is φ = 2091480064.
The previous prime is 2103230093. The next prime is 2103230141. The reversal of 2103230131 is 1310323012.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2103230131 is a prime.
It is a super-2 number, since 2×21032301312 = 8847153967892554322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2103230141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5874766 + ... + 5875123.
It is an arithmetic number, because the mean of its divisors is an integer number (528745050).
Almost surely, 22103230131 is an apocalyptic number.
2103230131 is a deficient number, since it is larger than the sum of its proper divisors (11750069).
2103230131 is a wasteful number, since it uses less digits than its factorization.
2103230131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11750068.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 2103230131 is about 45860.9870260116. The cubic root of 2103230131 is about 1281.2354061681.
Adding to 2103230131 its reverse (1310323012), we get a palindrome (3413553143).
The spelling of 2103230131 in words is "two billion, one hundred three million, two hundred thirty thousand, one hundred thirty-one".
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