Base | Representation |
---|---|
bin | 101010110101… |
… | …101110110011 |
3 | 210010112211210 |
4 | 222311232303 |
5 | 10333331011 |
6 | 1040411203 |
7 | 164311623 |
oct | 52655663 |
9 | 23115753 |
10 | 11230131 |
11 | 6380400 |
12 | 3916b03 |
13 | 2432763 |
14 | 16c4883 |
15 | ebc6a6 |
hex | ab5bb3 |
11230131 has 12 divisors (see below), whose sum is σ = 16459016. Its totient is φ = 6805920.
The previous prime is 11230123. The next prime is 11230139. The reversal of 11230131 is 13103211.
It is an interprime number because it is at equal distance from previous prime (11230123) and next prime (11230139).
It is not a de Polignac number, because 11230131 - 23 = 11230123 is a prime.
It is a super-2 number, since 2×112301312 = 252231684554322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (11230139) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15106 + ... + 15831.
Almost surely, 211230131 is an apocalyptic number.
11230131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
11230131 is a deficient number, since it is larger than the sum of its proper divisors (5228885).
11230131 is a wasteful number, since it uses less digits than its factorization.
11230131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30962 (or 30951 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 12.
The square root of 11230131 is about 3351.1387616749. The cubic root of 11230131 is about 223.9382469548.
Adding to 11230131 its reverse (13103211), we get a palindrome (24333342).
Subtracting 11230131 from its reverse (13103211), we obtain a triangular number (1873080 = T1935).
The spelling of 11230131 in words is "eleven million, two hundred thirty thousand, one hundred thirty-one".
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