Base | Representation |
---|---|
bin | 10110110011010001… |
… | …00011001111001010 |
3 | 1011121010000102202001 |
4 | 23121220203033022 |
5 | 200032223024204 |
6 | 5342403501214 |
7 | 612230441443 |
oct | 133150431712 |
9 | 34533012661 |
10 | 12241220554 |
11 | 5211939202 |
12 | 245768780a |
13 | 1201122094 |
14 | 841a902ca |
15 | 4b9a1d4a4 |
hex | 2d9a233ca |
12241220554 has 16 divisors (see below), whose sum is σ = 19330534080. Its totient is φ = 5797785600.
The previous prime is 12241220543. The next prime is 12241220581. The reversal of 12241220554 is 45502214221.
It is a happy number.
12241220554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 7 ways as a sum of consecutive naturals, for example, 465354 + ... + 490954.
It is an arithmetic number, because the mean of its divisors is an integer number (1208158380).
Almost surely, 212241220554 is an apocalyptic number.
12241220554 is a deficient number, since it is larger than the sum of its proper divisors (7089313526).
12241220554 is a wasteful number, since it uses less digits than its factorization.
12241220554 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38205.
The product of its (nonzero) digits is 6400, while the sum is 28.
Adding to 12241220554 its reverse (45502214221), we get a palindrome (57743434775).
The spelling of 12241220554 in words is "twelve billion, two hundred forty-one million, two hundred twenty thousand, five hundred fifty-four".
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