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20300241979 is a prime number
BaseRepresentation
bin10010111001111111…
…010001110000111011
31221101202111010211001
4102321333101300323
5313033330220404
613154212345431
71316026131643
oct227177216073
957352433731
1020300241979
118677a59296
123b26615277
131bb695b904
14da811d523
157dc2c67a4
hex4b9fd1c3b

20300241979 has 2 divisors, whose sum is σ = 20300241980. Its totient is φ = 20300241978.

The previous prime is 20300241959. The next prime is 20300242009. The reversal of 20300241979 is 97914200302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20300241979 - 211 = 20300239931 is a prime.

It is not a weakly prime, because it can be changed into another prime (20300241959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150120989 + 10150120990.

It is an arithmetic number, because the mean of its divisors is an integer number (10150120990).

Almost surely, 220300241979 is an apocalyptic number.

20300241979 is a deficient number, since it is larger than the sum of its proper divisors (1).

20300241979 is an equidigital number, since it uses as much as digits as its factorization.

20300241979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 20300241979 in words is "twenty billion, three hundred million, two hundred forty-one thousand, nine hundred seventy-nine".