Search a number
-
+
243124325041 = 1318701871157
BaseRepresentation
bin1110001001101101010…
…1101100101010110001
3212020112202022101020011
43202123111230222301
512440404311400131
6303404554014521
723364563444113
oct3423325545261
9766482271204
10243124325041
1194121385954
123b151a17441
1319c07765680
14baa55b93b3
1564ce3ac0b1
hex389b56cab1

243124325041 has 4 divisors (see below), whose sum is σ = 261826196212. Its totient is φ = 224422453872.

The previous prime is 243124325027. The next prime is 243124325047. The reversal of 243124325041 is 140523421342.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32980012816 + 210144312225 = 181604^2 + 458415^2 .

It is a cyclic number.

It is not a de Polignac number, because 243124325041 - 211 = 243124322993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243124324994 and 243124325012.

It is not an unprimeable number, because it can be changed into a prime (243124325047) 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, 9350935566 + ... + 9350935591.

It is an arithmetic number, because the mean of its divisors is an integer number (65456549053).

Almost surely, 2243124325041 is an apocalyptic number.

It is an amenable number.

243124325041 is a deficient number, since it is larger than the sum of its proper divisors (18701871171).

243124325041 is a wasteful number, since it uses less digits than its factorization.

243124325041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18701871170.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 243124325041 its reverse (140523421342), we get a palindrome (383647746383).

The spelling of 243124325041 in words is "two hundred forty-three billion, one hundred twenty-four million, three hundred twenty-five thousand, forty-one".

Divisors: 1 13 18701871157 243124325041