Base | Representation |
---|---|
bin | 10110011010011110… |
… | …00001100011111111 |
3 | 1011001121121000112010 |
4 | 23031033001203333 |
5 | 144120444434211 |
6 | 5310013142303 |
7 | 604123350555 |
oct | 131517014377 |
9 | 34047530463 |
10 | 12033202431 |
11 | 511547a0a8 |
12 | 23b9a8a993 |
13 | 1199cbb333 |
14 | 8221c1bd5 |
15 | 4a662d4a6 |
hex | 2cd3c18ff |
12033202431 has 16 divisors (see below), whose sum is σ = 16478021120. Its totient is φ = 7806637440.
The previous prime is 12033202411. The next prime is 12033202439. The reversal of 12033202431 is 13420233021.
It is not a de Polignac number, because 12033202431 - 218 = 12032940287 is a prime.
It is a super-2 number, since 2×120332024312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12033202398 and 12033202407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12033202439) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137146 + ... + 207063.
It is an arithmetic number, because the mean of its divisors is an integer number (1029876320).
Almost surely, 212033202431 is an apocalyptic number.
12033202431 is a deficient number, since it is larger than the sum of its proper divisors (4444818689).
12033202431 is a wasteful number, since it uses less digits than its factorization.
12033202431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 344526.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 12033202431 its reverse (13420233021), we get a palindrome (25453435452).
The spelling of 12033202431 in words is "twelve billion, thirty-three million, two hundred two thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •