Base | Representation |
---|---|
bin | 111110101011100… |
… | …1100011010000011 |
3 | 12102120121021002100 |
4 | 1331113030122003 |
5 | 13301411412011 |
6 | 544411321443 |
7 | 103056115050 |
oct | 17527143203 |
9 | 5376537070 |
10 | 2103232131 |
11 | 98a246480 |
12 | 4a8450283 |
13 | 276980070 |
14 | 15d48c027 |
15 | c49a4d56 |
hex | 7d5cc683 |
2103232131 has 96 divisors (see below), whose sum is σ = 4107737088. Its totient is φ = 1001445120.
The previous prime is 2103232121. The next prime is 2103232139. The reversal of 2103232131 is 1312323012.
2103232131 is a `hidden beast` number, since 210 + 323 + 2 + 131 = 666.
It is not a de Polignac number, because 2103232131 - 26 = 2103232067 is a prime.
It is a super-2 number, since 2×21032321312 = 8847170793741602322, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2103232139) 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 in 95 ways as a sum of consecutive naturals, for example, 1413670 + ... + 1415156.
It is an arithmetic number, because the mean of its divisors is an integer number (42788928).
Almost surely, 22103232131 is an apocalyptic number.
2103232131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2103232131 is a deficient number, since it is larger than the sum of its proper divisors (2004504957).
2103232131 is a wasteful number, since it uses less digits than its factorization.
2103232131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1681 (or 1678 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 2103232131 is about 45861.0088310321. The cubic root of 2103232131 is about 1281.2358122847.
Adding to 2103232131 its reverse (1312323012), we get a palindrome (3415555143).
The spelling of 2103232131 in words is "two billion, one hundred three million, two hundred thirty-two thousand, one hundred thirty-one".
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