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15120343103 is a prime number
BaseRepresentation
bin11100001010011111…
…00010000000111111
31110000202121000101112
432011033202000333
5221431301434403
610540213232235
71043460536645
oct160517420077
943022530345
1015120343103
11645a048628
122b1b93267b
13156c7631a8
14a361cd195
155d76869d8
hex3853e203f

15120343103 has 2 divisors, whose sum is σ = 15120343104. Its totient is φ = 15120343102.

The previous prime is 15120343079. The next prime is 15120343181. The reversal of 15120343103 is 30134302151.

15120343103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (30134302151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15120343103 - 26 = 15120343039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15120343193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7560171551 + 7560171552.

It is an arithmetic number, because the mean of its divisors is an integer number (7560171552).

Almost surely, 215120343103 is an apocalyptic number.

15120343103 is a deficient number, since it is larger than the sum of its proper divisors (1).

15120343103 is an equidigital number, since it uses as much as digits as its factorization.

15120343103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 15120343103 its reverse (30134302151), we get a palindrome (45254645254).

The spelling of 15120343103 in words is "fifteen billion, one hundred twenty million, three hundred forty-three thousand, one hundred three".