Base | Representation |
---|---|
bin | 1011000111111101001110… |
… | …0111011110011010110101 |
3 | 1121022022011212200001200002 |
4 | 2301333103213132122311 |
5 | 3100344221442420001 |
6 | 42002554124201045 |
7 | 2401453365363431 |
oct | 261772347363265 |
9 | 47268155601602 |
10 | 12231322232501 |
11 | 3996302591969 |
12 | 1456619099185 |
13 | 6a9540cc4438 |
14 | 303ddb9759c1 |
15 | 16327110146b |
hex | b1fd39de6b5 |
12231322232501 has 2 divisors, whose sum is σ = 12231322232502. Its totient is φ = 12231322232500.
The previous prime is 12231322232443. The next prime is 12231322232531. The reversal of 12231322232501 is 10523222313221.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7882224700900 + 4349097531601 = 2807530^2 + 2085449^2 .
It is a cyclic number.
It is not a de Polignac number, because 12231322232501 - 214 = 12231322216117 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12231322232531) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115661116250 + 6115661116251.
It is an arithmetic number, because the mean of its divisors is an integer number (6115661116251).
Almost surely, 212231322232501 is an apocalyptic number.
It is an amenable number.
12231322232501 is a deficient number, since it is larger than the sum of its proper divisors (1).
12231322232501 is an equidigital number, since it uses as much as digits as its factorization.
12231322232501 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8640, while the sum is 29.
Adding to 12231322232501 its reverse (10523222313221), we get a palindrome (22754544545722).
The spelling of 12231322232501 in words is "twelve trillion, two hundred thirty-one billion, three hundred twenty-two million, two hundred thirty-two thousand, five hundred one".
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