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13128281003 is a prime number
BaseRepresentation
bin11000011101000000…
…11010101110101011
31020212221011202220202
430032200122232223
5203341314443003
610010412342415
7643221355505
oct141640325653
936787152822
1013128281003
115627632912
122664774a0b
131312b37c16
148c77dcd75
1551c841088
hex30e81abab

13128281003 has 2 divisors, whose sum is σ = 13128281004. Its totient is φ = 13128281002.

The previous prime is 13128280973. The next prime is 13128281009. The reversal of 13128281003 is 30018282131.

13128281003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13128281003 - 212 = 13128276907 is a prime.

It is not a weakly prime, because it can be changed into another prime (13128281009) 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, 6564140501 + 6564140502.

It is an arithmetic number, because the mean of its divisors is an integer number (6564140502).

Almost surely, 213128281003 is an apocalyptic number.

13128281003 is a deficient number, since it is larger than the sum of its proper divisors (1).

13128281003 is an equidigital number, since it uses as much as digits as its factorization.

13128281003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 13128281003 in words is "thirteen billion, one hundred twenty-eight million, two hundred eighty-one thousand, three".