Base | Representation |
---|---|
bin | 100100001001111011… |
… | …010011001111011000 |
3 | 10201012112000121212200 |
4 | 210021323103033120 |
5 | 1114001214332122 |
6 | 25500110010200 |
7 | 2543012100651 |
oct | 441173231730 |
9 | 121175017780 |
10 | 38821245912 |
11 | 15511643709 |
12 | 76351a6960 |
13 | 3878ab9637 |
14 | 1c43c0c528 |
15 | 10232965ac |
hex | 909ed33d8 |
38821245912 has 96 divisors (see below), whose sum is σ = 105666600000. Its totient is φ = 12875889600.
The previous prime is 38821245907. The next prime is 38821245919. The reversal of 38821245912 is 21954212883.
38821245912 is a `hidden beast` number, since 38 + 8 + 2 + 1 + 24 + 591 + 2 = 666.
38821245912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38821245919) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13615287 + ... + 13618137.
It is an arithmetic number, because the mean of its divisors is an integer number (1100693750).
Almost surely, 238821245912 is an apocalyptic number.
It is an amenable number.
38821245912 is an abundant number, since it is smaller than the sum of its proper divisors (66845354088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38821245912 is a wasteful number, since it uses less digits than its factorization.
38821245912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3741 (or 3734 counting only the distinct ones).
The product of its digits is 276480, while the sum is 45.
The spelling of 38821245912 in words is "thirty-eight billion, eight hundred twenty-one million, two hundred forty-five thousand, nine hundred twelve".
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