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20430316747 is a prime number
BaseRepresentation
bin10011000001101111…
…011110010011001011
31221201211020121212001
4103001233132103023
5313320130113442
613215140331431
71322165553451
oct230157362313
957654217761
1020430316747
1187344213a5
123b620a3b77
131c078a2429
14dbb4dc9d1
157e891c2b7
hex4c1bde4cb

20430316747 has 2 divisors, whose sum is σ = 20430316748. Its totient is φ = 20430316746.

The previous prime is 20430316723. The next prime is 20430316757. The reversal of 20430316747 is 74761303402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20430316747 - 223 = 20421928139 is a prime.

It is not a weakly prime, because it can be changed into another prime (20430316717) 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, 10215158373 + 10215158374.

It is an arithmetic number, because the mean of its divisors is an integer number (10215158374).

Almost surely, 220430316747 is an apocalyptic number.

20430316747 is a deficient number, since it is larger than the sum of its proper divisors (1).

20430316747 is an equidigital number, since it uses as much as digits as its factorization.

20430316747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 20430316747 in words is "twenty billion, four hundred thirty million, three hundred sixteen thousand, seven hundred forty-seven".