Search a number
-
+
12143042042 = 213591446731
BaseRepresentation
bin10110100111100100…
…00001110111111010
31011100021021110010212
423103302001313322
5144332104321132
65324535311122
7606626103635
oct132362016772
934307243125
1012143042042
11517148123a
12242a81b4a2
1311b69986a1
14832a14c1c
154b10c85b2
hex2d3c81dfa

12143042042 has 8 divisors (see below), whose sum is σ = 18215944032. Its totient is φ = 6071060700.

The previous prime is 12143042003. The next prime is 12143042089. The reversal of 12143042042 is 24024034121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12143041999 and 12143042017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196184 + ... + 250547.

It is an arithmetic number, because the mean of its divisors is an integer number (2276993004).

Almost surely, 212143042042 is an apocalyptic number.

12143042042 is a deficient number, since it is larger than the sum of its proper divisors (6072901990).

12143042042 is a wasteful number, since it uses less digits than its factorization.

12143042042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460324.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12143042042 its reverse (24024034121), we get a palindrome (36167076163).

The spelling of 12143042042 in words is "twelve billion, one hundred forty-three million, forty-two thousand, forty-two".

Divisors: 1 2 13591 27182 446731 893462 6071521021 12143042042