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20301283819 is a prime number
BaseRepresentation
bin10010111010000011…
…010000000111101011
31221101211110001221201
4102322003100013223
5313034112040234
613154250545031
71316041031245
oct227203200753
957354401851
1020301283819
118678600013
123b26a38177
131bb6c34b9b
14da8311095
157dc430314
hex4ba0d01eb

20301283819 has 2 divisors, whose sum is σ = 20301283820. Its totient is φ = 20301283818.

The previous prime is 20301283789. The next prime is 20301283831. The reversal of 20301283819 is 91838210302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20301283819 - 25 = 20301283787 is a prime.

It is a super-2 number, since 2×203012838192 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20301283889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150641909 + 10150641910.

It is an arithmetic number, because the mean of its divisors is an integer number (10150641910).

Almost surely, 220301283819 is an apocalyptic number.

20301283819 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301283819 is an equidigital number, since it uses as much as digits as its factorization.

20301283819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 20301283819 in words is "twenty billion, three hundred one million, two hundred eighty-three thousand, eight hundred nineteen".