Base | Representation |
---|---|
bin | 101101111000… |
… | …000010101111 |
3 | 211121222121120 |
4 | 231320002233 |
5 | 11034313111 |
6 | 1105432023 |
7 | 204135213 |
oct | 55700257 |
9 | 24558546 |
10 | 12026031 |
11 | 6874376 |
12 | 403b613 |
13 | 2650ac4 |
14 | 1850943 |
15 | 10c8406 |
hex | b780af |
12026031 has 24 divisors (see below), whose sum is σ = 17498880. Its totient is φ = 7322832.
The previous prime is 12025991. The next prime is 12026041. The reversal of 12026031 is 13062021.
It is not a de Polignac number, because 12026031 - 27 = 12025903 is a prime.
It is a super-2 number, since 2×120260312 = 289250843225922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12026031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12026041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179460 + ... + 179526.
It is an arithmetic number, because the mean of its divisors is an integer number (729120).
Almost surely, 212026031 is an apocalyptic number.
12026031 is a deficient number, since it is larger than the sum of its proper divisors (5472849).
12026031 is an equidigital number, since it uses as much as digits as its factorization.
12026031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 203 (or 136 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 12026031 is about 3467.8568309548. The cubic root of 12026031 is about 229.1082737101.
Adding to 12026031 its reverse (13062021), we get a palindrome (25088052).
The spelling of 12026031 in words is "twelve million, twenty-six thousand, thirty-one".
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