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20430175001 is a prime number
BaseRepresentation
bin10011000001101110…
…111011101100011001
31221201210222102102012
4103001232323230121
5313320111100001
613215133315305
71322164423265
oct230156735431
957653872365
1020430175001
118734334955
123b62035b35
131c07852a62
14dbb4a30a5
157e88e02bb
hex4c1bbbb19

20430175001 has 2 divisors, whose sum is σ = 20430175002. Its totient is φ = 20430175000.

The previous prime is 20430174977. The next prime is 20430175019. The reversal of 20430175001 is 10057103402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12090102025 + 8340072976 = 109955^2 + 91324^2 .

It is a cyclic number.

It is not a de Polignac number, because 20430175001 - 222 = 20425980697 is a prime.

It is not a weakly prime, because it can be changed into another prime (20430175301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10215087500 + 10215087501.

It is an arithmetic number, because the mean of its divisors is an integer number (10215087501).

Almost surely, 220430175001 is an apocalyptic number.

It is an amenable number.

20430175001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20430175001 is an equidigital number, since it uses as much as digits as its factorization.

20430175001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

Adding to 20430175001 its reverse (10057103402), we get a palindrome (30487278403).

The spelling of 20430175001 in words is "twenty billion, four hundred thirty million, one hundred seventy-five thousand, one".