Search a number
-
+
12434313143 = 71776330449
BaseRepresentation
bin10111001010010010…
…01000111110110111
31012002120100112222102
423211021020332313
5200431141010033
65413502252315
7620063626550
oct134511107667
935076315872
1012434313143
11530093355a
1224b028709b
13123212b355
1485d595327
154cb960de8
hex2e5248fb7

12434313143 has 4 divisors (see below), whose sum is σ = 14210643600. Its totient is φ = 10657982688.

The previous prime is 12434313137. The next prime is 12434313167. The reversal of 12434313143 is 34131343421.

It is a happy number.

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 12434313143 - 210 = 12434312119 is a prime.

It is a super-2 number, since 2×124343131432 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434313113) by changing a digit.

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, 888165218 + ... + 888165231.

It is an arithmetic number, because the mean of its divisors is an integer number (3552660900).

Almost surely, 212434313143 is an apocalyptic number.

12434313143 is a deficient number, since it is larger than the sum of its proper divisors (1776330457).

12434313143 is an equidigital number, since it uses as much as digits as its factorization.

12434313143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776330456.

The product of its digits is 10368, while the sum is 29.

Adding to 12434313143 its reverse (34131343421), we get a palindrome (46565656564).

The spelling of 12434313143 in words is "twelve billion, four hundred thirty-four million, three hundred thirteen thousand, one hundred forty-three".

Divisors: 1 7 1776330449 12434313143