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12311200003 = 46126705423
BaseRepresentation
bin10110111011100111…
…00000000100000011
31011202222200202111111
423131303200010003
5200203131400003
65353343424151
7614040321244
oct133563400403
934688622444
1012311200003
115248395863
122476bb5057
13121278443b
1484b0a8ccb
154c0c42e6d
hex2ddce0103

12311200003 has 4 divisors (see below), whose sum is σ = 12337905888. Its totient is φ = 12284494120.

The previous prime is 12311199977. The next prime is 12311200019. The reversal of 12311200003 is 30000211321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30000211321 = 171764718313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12311200003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12311207003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13352251 + ... + 13353172.

It is an arithmetic number, because the mean of its divisors is an integer number (3084476472).

Almost surely, 212311200003 is an apocalyptic number.

12311200003 is a deficient number, since it is larger than the sum of its proper divisors (26705885).

12311200003 is an equidigital number, since it uses as much as digits as its factorization.

12311200003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26705884.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12311200003 its reverse (30000211321), we get a palindrome (42311411324).

The spelling of 12311200003 in words is "twelve billion, three hundred eleven million, two hundred thousand, three".

Divisors: 1 461 26705423 12311200003