Base | Representation |
---|---|
bin | 10110010110101011… |
… | …10100100010001101 |
3 | 1010222101210210110021 |
4 | 23023111310202031 |
5 | 144034331222040 |
6 | 5302520142141 |
7 | 603256316542 |
oct | 131325644215 |
9 | 33871723407 |
10 | 12001429645 |
11 | 50a95487a7 |
12 | 23ab307951 |
13 | 119354547a |
14 | 81bcb0bc9 |
15 | 4a395424a |
hex | 2cb57488d |
12001429645 has 16 divisors (see below), whose sum is σ = 14750410752. Its totient is φ = 9369097920.
The previous prime is 12001429637. The next prime is 12001429651. The reversal of 12001429645 is 54692410021.
12001429645 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 12001429645 - 23 = 12001429637 is a prime.
It is a super-3 number, since 3×120014296453 (a number of 31 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12001429645.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 209460 + ... + 260530.
It is an arithmetic number, because the mean of its divisors is an integer number (921900672).
Almost surely, 212001429645 is an apocalyptic number.
It is an amenable number.
12001429645 is a deficient number, since it is larger than the sum of its proper divisors (2748981107).
12001429645 is a wasteful number, since it uses less digits than its factorization.
12001429645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52212.
The product of its (nonzero) digits is 17280, while the sum is 34.
Adding to 12001429645 its reverse (54692410021), we get a palindrome (66693839666).
The spelling of 12001429645 in words is "twelve billion, one million, four hundred twenty-nine thousand, six hundred forty-five".
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