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15212430011 is a prime number
BaseRepresentation
bin11100010101011101…
…10100001010111011
31110021011212111212202
432022232310022323
5222123340230021
610553303100415
71045656343622
oct161256641273
943234774782
1015212430011
1164a7024909
122b4674170b
131585865c9c
14a445206b9
155e07c6a0b
hex38abb42bb

15212430011 has 2 divisors, whose sum is σ = 15212430012. Its totient is φ = 15212430010.

The previous prime is 15212429983. The next prime is 15212430053. The reversal of 15212430011 is 11003421251.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15212430011 is a prime.

It is not a weakly prime, because it can be changed into another prime (15212430061) 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, 7606215005 + 7606215006.

It is an arithmetic number, because the mean of its divisors is an integer number (7606215006).

Almost surely, 215212430011 is an apocalyptic number.

15212430011 is a deficient number, since it is larger than the sum of its proper divisors (1).

15212430011 is an equidigital number, since it uses as much as digits as its factorization.

15212430011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 15212430011 its reverse (11003421251), we get a palindrome (26215851262).

The spelling of 15212430011 in words is "fifteen billion, two hundred twelve million, four hundred thirty thousand, eleven".