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20050345001 is a prime number
BaseRepresentation
bin10010101011000101…
…111111110000101001
31220202100021001121102
4102223011333300221
5312030342020001
613113324251145
71306603056221
oct225305776051
956670231542
1020050345001
118559995a65
123a769a0ab5
131b76c5408b
14d82c6d081
157c53b2e6b
hex4ab17fc29

20050345001 has 2 divisors, whose sum is σ = 20050345002. Its totient is φ = 20050345000.

The previous prime is 20050344959. The next prime is 20050345033. The reversal of 20050345001 is 10054305002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19515810601 + 534534400 = 139699^2 + 23120^2 .

It is a cyclic number.

It is not a de Polignac number, because 20050345001 - 226 = 19983236137 is a prime.

It is not a weakly prime, because it can be changed into another prime (20050345801) 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, 10025172500 + 10025172501.

It is an arithmetic number, because the mean of its divisors is an integer number (10025172501).

Almost surely, 220050345001 is an apocalyptic number.

It is an amenable number.

20050345001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20050345001 is an equidigital number, since it uses as much as digits as its factorization.

20050345001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 20.

The spelling of 20050345001 in words is "twenty billion, fifty million, three hundred forty-five thousand, one".