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4143443243 = 27911484573
BaseRepresentation
bin1111011011110111…
…1110110100101011
3101200202121201120212
43312331332310223
531441210140433
61523052211335
7204451454312
oct36675766453
911622551525
104143443243
111836958265
12977769b4b
13510566084
142b4413279
15193b5bd48
hexf6f7ed2b

4143443243 has 4 divisors (see below), whose sum is σ = 4144930608. Its totient is φ = 4141955880.

The previous prime is 4143443233. The next prime is 4143443257. The reversal of 4143443243 is 3423443414.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3423443414 = 21711721707.

It is a cyclic number.

It is not a de Polignac number, because 4143443243 - 212 = 4143439147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4143443233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739496 + ... + 745077.

It is an arithmetic number, because the mean of its divisors is an integer number (1036232652).

Almost surely, 24143443243 is an apocalyptic number.

4143443243 is a deficient number, since it is larger than the sum of its proper divisors (1487365).

4143443243 is a wasteful number, since it uses less digits than its factorization.

4143443243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487364.

The product of its digits is 55296, while the sum is 32.

The square root of 4143443243 is about 64369.5832128809. The cubic root of 4143443243 is about 1606.1538069179.

Adding to 4143443243 its reverse (3423443414), we get a palindrome (7566886657).

The spelling of 4143443243 in words is "four billion, one hundred forty-three million, four hundred forty-three thousand, two hundred forty-three".

Divisors: 1 2791 1484573 4143443243