Base | Representation |
---|---|
bin | 1011010100001110100110… |
… | …0000111001001000100000 |
3 | 1122001110100100010211222110 |
4 | 2311003221200321020200 |
5 | 3112323002102100133 |
6 | 42243501441035320 |
7 | 2422625621354664 |
oct | 265035140711040 |
9 | 48043310124873 |
10 | 12442143003168 |
11 | 3a677573a523a |
12 | 148b454625b40 |
13 | 6c339b076a98 |
14 | 3102babd08a4 |
15 | 1689ae50ec63 |
hex | b50e9839220 |
12442143003168 has 96 divisors (see below), whose sum is σ = 32705593373376. Its totient is φ = 4141674364928.
The previous prime is 12442143003167. The next prime is 12442143003247. The reversal of 12442143003168 is 86130034124421.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×124421430031682 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12442143003167) 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 15 ways as a sum of consecutive naturals, for example, 236188480 + ... + 236241152.
It is an arithmetic number, because the mean of its divisors is an integer number (340683264306).
Almost surely, 212442143003168 is an apocalyptic number.
It is an amenable number.
12442143003168 is an abundant number, since it is smaller than the sum of its proper divisors (20263450370208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12442143003168 is a wasteful number, since it uses less digits than its factorization.
12442143003168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56026 (or 56018 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 39.
Adding to 12442143003168 its reverse (86130034124421), we get a palindrome (98572177127589).
The spelling of 12442143003168 in words is "twelve trillion, four hundred forty-two billion, one hundred forty-three million, three thousand, one hundred sixty-eight".
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