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4143001243 = 19218052697
BaseRepresentation
bin1111011011110001…
…0010111010011011
3101200201210021021111
43312330102322123
531441102014433
61523034521151
7204444633553
oct36674227233
911621707244
104143001243
111836686177
129775961b7
1351043cb34
142b433a163
15193ac0dcd
hexf6f12e9b

4143001243 has 4 divisors (see below), whose sum is σ = 4361053960. Its totient is φ = 3924948528.

The previous prime is 4143001237. The next prime is 4143001253. The reversal of 4143001243 is 3421003414.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3421003414 = 21710501707.

It is a cyclic number.

It is not a de Polignac number, because 4143001243 - 221 = 4140904091 is a prime.

It is a super-3 number, since 3×41430012433 (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4143001223) 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, 109026330 + ... + 109026367.

It is an arithmetic number, because the mean of its divisors is an integer number (1090263490).

Almost surely, 24143001243 is an apocalyptic number.

4143001243 is a deficient number, since it is larger than the sum of its proper divisors (218052717).

4143001243 is a wasteful number, since it uses less digits than its factorization.

4143001243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218052716.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4143001243 is about 64366.1498227135. The cubic root of 4143001243 is about 1606.0966929681.

Adding to 4143001243 its reverse (3421003414), we get a palindrome (7564004657).

The spelling of 4143001243 in words is "four billion, one hundred forty-three million, one thousand, two hundred forty-three".

Divisors: 1 19 218052697 4143001243