Base | Representation |
---|---|
bin | 10110111101101010… |
… | …11011010001100101 |
3 | 1011211012012202210111 |
4 | 23132311123101211 |
5 | 200222042410033 |
6 | 5355202053021 |
7 | 614340236620 |
oct | 133665332145 |
9 | 34735182714 |
10 | 12328481893 |
11 | 5257119a12 |
12 | 248094a171 |
13 | 1216225600 |
14 | 84d4c6db7 |
15 | 4c25087cd |
hex | 2ded5b465 |
12328481893 has 12 divisors (see below), whose sum is σ = 15256888608. Its totient is φ = 9754402320.
The previous prime is 12328481833. The next prime is 12328481909. The reversal of 12328481893 is 39818482321.
It is not a de Polignac number, because 12328481893 - 213 = 12328473701 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12328481813) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5209503 + ... + 5211868.
It is an arithmetic number, because the mean of its divisors is an integer number (1271407384).
Almost surely, 212328481893 is an apocalyptic number.
12328481893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
12328481893 is a deficient number, since it is larger than the sum of its proper divisors (2928406715).
12328481893 is a wasteful number, since it uses less digits than its factorization.
12328481893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10421404 (or 10421391 counting only the distinct ones).
The product of its digits is 663552, while the sum is 49.
The spelling of 12328481893 in words is "twelve billion, three hundred twenty-eight million, four hundred eighty-one thousand, eight hundred ninety-three".
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