Base | Representation |
---|---|
bin | 10110110011011011… |
… | …10110111110101111 |
3 | 1011121012122010122101 |
4 | 23121231312332233 |
5 | 200033102042033 |
6 | 5342453355531 |
7 | 612245325526 |
oct | 133155667657 |
9 | 34535563571 |
10 | 12242612143 |
11 | 52126a9783 |
12 | 2458038ba7 |
13 | 12014bb5c8 |
14 | 841d334bd |
15 | 4b9be597d |
hex | 2d9b76faf |
12242612143 has 4 divisors (see below), whose sum is σ = 12246023088. Its totient is φ = 12239201200.
The previous prime is 12242612089. The next prime is 12242612191. The reversal of 12242612143 is 34121624221.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12242612143 - 213 = 12242603951 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12242612243) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1700083 + ... + 1707268.
It is an arithmetic number, because the mean of its divisors is an integer number (3061505772).
Almost surely, 212242612143 is an apocalyptic number.
12242612143 is a deficient number, since it is larger than the sum of its proper divisors (3410945).
12242612143 is an equidigital number, since it uses as much as digits as its factorization.
12242612143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3410944.
The product of its digits is 4608, while the sum is 28.
The spelling of 12242612143 in words is "twelve billion, two hundred forty-two million, six hundred twelve thousand, one hundred forty-three".
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