Base | Representation |
---|---|
bin | 10110100010101011… |
… | …00011010001010111 |
3 | 1011020102002102112121 |
4 | 23101111203101113 |
5 | 144241104202411 |
6 | 5320512200411 |
7 | 605620330435 |
oct | 132125432127 |
9 | 34212072477 |
10 | 12102022231 |
11 | 5150304472 |
12 | 2418b39107 |
13 | 11ab335900 |
14 | 82b3b7d55 |
15 | 4ac6c4571 |
hex | 2d1563457 |
12102022231 has 6 divisors (see below), whose sum is σ = 13104556800. Its totient is φ = 11171097288.
The previous prime is 12102022223. The next prime is 12102022253. The reversal of 12102022231 is 13222020121.
It is a happy number.
12102022231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12102022231 - 23 = 12102022223 is a prime.
It is a super-2 number, since 2×121020222312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12102022201) 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 5 ways as a sum of consecutive naturals, for example, 35804631 + ... + 35804968.
It is an arithmetic number, because the mean of its divisors is an integer number (2184092800).
Almost surely, 212102022231 is an apocalyptic number.
12102022231 is a deficient number, since it is larger than the sum of its proper divisors (1002534569).
12102022231 is an equidigital number, since it uses as much as digits as its factorization.
12102022231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71609625 (or 71609612 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 12102022231 its reverse (13222020121), we get a palindrome (25324042352).
The spelling of 12102022231 in words is "twelve billion, one hundred two million, twenty-two thousand, two hundred thirty-one".
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