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20530580003 is a prime number
BaseRepresentation
bin10011000111101101…
…111100101000100011
31221222210220112011222
4103013231330220203
5314021312030003
613233121325255
71324524023243
oct230755745043
957883815158
1020530580003
118785a8269a
123b8b79682b
131c225a89bb
14dca95bb23
15802624c38
hex4c7b7ca23

20530580003 has 2 divisors, whose sum is σ = 20530580004. Its totient is φ = 20530580002.

The previous prime is 20530579939. The next prime is 20530580041. The reversal of 20530580003 is 30008503502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20530580003 - 26 = 20530579939 is a prime.

It is not a weakly prime, because it can be changed into another prime (20530580303) 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, 10265290001 + 10265290002.

It is an arithmetic number, because the mean of its divisors is an integer number (10265290002).

Almost surely, 220530580003 is an apocalyptic number.

20530580003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20530580003 is an equidigital number, since it uses as much as digits as its factorization.

20530580003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 20530580003 in words is "twenty billion, five hundred thirty million, five hundred eighty thousand, three".