Base | Representation |
---|---|
bin | 10110101010100011… |
… | …10010001101111111 |
3 | 1011102000111202012111 |
4 | 23111101302031333 |
5 | 144410021044433 |
6 | 5331233314451 |
7 | 610352341510 |
oct | 132521621577 |
9 | 34360452174 |
10 | 12168143743 |
11 | 5184666548 |
12 | 2437105a27 |
13 | 11bbc46c72 |
14 | 8360aaa07 |
15 | 4b33d5dcd |
hex | 2d547237f |
12168143743 has 18 divisors (see below), whose sum is σ = 14045578152. Its totient is φ = 10326522240.
The previous prime is 12168143731. The next prime is 12168143753. The reversal of 12168143743 is 34734186121.
It is not a de Polignac number, because 12168143743 - 25 = 12168143711 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12168143696 and 12168143705.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12168143753) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 50490103 + ... + 50490343.
Almost surely, 212168143743 is an apocalyptic number.
12168143743 is a deficient number, since it is larger than the sum of its proper divisors (1877434409).
12168143743 is an frugal number, since it uses more digits than its factorization.
12168143743 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 835 (or 421 counting only the distinct ones).
The product of its digits is 96768, while the sum is 40.
The spelling of 12168143743 in words is "twelve billion, one hundred sixty-eight million, one hundred forty-three thousand, seven hundred forty-three".
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