Base | Representation |
---|---|
bin | 10110010110100100… |
… | …00011111011110000 |
3 | 1010222022221201121020 |
4 | 23023102003323300 |
5 | 144034103203034 |
6 | 5302443055440 |
7 | 603245043423 |
oct | 131322037360 |
9 | 33868851536 |
10 | 12000444144 |
11 | 50a8a35337 |
12 | 23aab11580 |
13 | 119328ba30 |
14 | 81bad59ba |
15 | 4a380c249 |
hex | 2cb483ef0 |
12000444144 has 40 divisors (see below), whose sum is σ = 33385852752. Its totient is φ = 3692444160.
The previous prime is 12000444077. The next prime is 12000444161. The reversal of 12000444144 is 44144400021.
It is a happy number.
12000444144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (24).
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 7 ways as a sum of consecutive naturals, for example, 9615117 + ... + 9616364.
Almost surely, 212000444144 is an apocalyptic number.
It is an amenable number.
12000444144 is an abundant number, since it is smaller than the sum of its proper divisors (21385408608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12000444144 is a wasteful number, since it uses less digits than its factorization.
12000444144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19231505 (or 19231499 counting only the distinct ones).
The product of its (nonzero) digits is 2048, while the sum is 24.
Adding to 12000444144 its reverse (44144400021), we get a palindrome (56144844165).
The spelling of 12000444144 in words is "twelve billion, four hundred forty-four thousand, one hundred forty-four".
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