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12110003003 = 71730000429
BaseRepresentation
bin10110100011100111…
…11111101100111011
31011020222002220002202
423101303333230323
5144300130044003
65321355220415
7606045220130
oct132163775473
934228086082
1012110003003
11515486554a
12241b74770b
1311acb9b367
1482c494587
154ad24e088
hex2d1cffb3b

12110003003 has 4 divisors (see below), whose sum is σ = 13840003440. Its totient is φ = 10380002568.

The previous prime is 12110002981. The next prime is 12110003027. The reversal of 12110003003 is 30030001121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30030001121 = 197315220477.

It is a cyclic number.

It is not a de Polignac number, because 12110003003 - 222 = 12105808699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110003063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865000208 + ... + 865000221.

It is an arithmetic number, because the mean of its divisors is an integer number (3460000860).

Almost surely, 212110003003 is an apocalyptic number.

12110003003 is a deficient number, since it is larger than the sum of its proper divisors (1730000437).

12110003003 is an equidigital number, since it uses as much as digits as its factorization.

12110003003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730000436.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 12110003003 its reverse (30030001121), we get a palindrome (42140004124).

The spelling of 12110003003 in words is "twelve billion, one hundred ten million, three thousand, three".

Divisors: 1 7 1730000429 12110003003