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20430130241 is a prime number
BaseRepresentation
bin10011000001101110…
…110000110001000001
31221201210220011000102
4103001232300301001
5313320103131431
613215132332145
71322164145633
oct230156606101
957653804012
1020430130241
118734304264
123b62014055
131c07838581
14dbb490a53
157e88d1dcb
hex4c1bb0c41

20430130241 has 2 divisors, whose sum is σ = 20430130242. Its totient is φ = 20430130240.

The previous prime is 20430130211. The next prime is 20430130249. The reversal of 20430130241 is 14203103402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20191273216 + 238857025 = 142096^2 + 15455^2 .

It is a cyclic number.

It is not a de Polignac number, because 20430130241 - 210 = 20430129217 is a prime.

It is not a weakly prime, because it can be changed into another prime (20430130249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10215065120 + 10215065121.

It is an arithmetic number, because the mean of its divisors is an integer number (10215065121).

Almost surely, 220430130241 is an apocalyptic number.

It is an amenable number.

20430130241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20430130241 is an equidigital number, since it uses as much as digits as its factorization.

20430130241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20430130241 its reverse (14203103402), we get a palindrome (34633233643).

The spelling of 20430130241 in words is "twenty billion, four hundred thirty million, one hundred thirty thousand, two hundred forty-one".