Base | Representation |
---|---|
bin | 10011001101010011… |
… | …00111101101111100 |
3 | 222121200002000221021 |
4 | 21212221213231330 |
5 | 132104400334322 |
6 | 4423132313524 |
7 | 513354404221 |
oct | 114651475574 |
9 | 28550060837 |
10 | 10312121212 |
11 | 4411a18328 |
12 | 1bb96128a4 |
13 | c84570493 |
14 | 6db7ad948 |
15 | 4054b34c7 |
hex | 266a67b7c |
10312121212 has 12 divisors (see below), whose sum is σ = 18047062600. Its totient is φ = 5155817616.
The previous prime is 10312121207. The next prime is 10312121233. The reversal of 10312121212 is 21212121301.
10312121212 is a modest number, since divided by 121212 gives 10312 as remainder.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62539 + ... + 156637.
Almost surely, 210312121212 is an apocalyptic number.
It is an amenable number.
10312121212 is a deficient number, since it is larger than the sum of its proper divisors (7734941388).
10312121212 is a wasteful number, since it uses less digits than its factorization.
10312121212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121500 (or 121498 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 10312121212 its reverse (21212121301), we get a palindrome (31524242513).
The spelling of 10312121212 in words is "ten billion, three hundred twelve million, one hundred twenty-one thousand, two hundred twelve".
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