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124442410441 = 538123126261
BaseRepresentation
bin111001111100101011…
…0000111110111001001
3102220012121100102222111
41303321112013313021
54014324224113231
6133100144422321
711663541015226
oct1637126076711
9386177312874
10124442410441
1148859550908
122014b6179a1
13b9726790bb
14604734094d
153384eba4b1
hex1cf9587dc9

124442410441 has 4 divisors (see below), whose sum is σ = 124465542084. Its totient is φ = 124419278800.

The previous prime is 124442410357. The next prime is 124442410451. The reversal of 124442410441 is 144014244421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144014244421 = 1247771154173.

It can be written as a sum of positive squares in 2 ways, for example, as 64061634816 + 60380775625 = 253104^2 + 245725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-124442410441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124442410451) 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, 11557750 + ... + 11568511.

It is an arithmetic number, because the mean of its divisors is an integer number (31116385521).

Almost surely, 2124442410441 is an apocalyptic number.

It is an amenable number.

124442410441 is a deficient number, since it is larger than the sum of its proper divisors (23131643).

124442410441 is an equidigital number, since it uses as much as digits as its factorization.

124442410441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23131642.

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 124442410441 its reverse (144014244421), we get a palindrome (268456654862).

The spelling of 124442410441 in words is "one hundred twenty-four billion, four hundred forty-two million, four hundred ten thousand, four hundred forty-one".

Divisors: 1 5381 23126261 124442410441