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12301231003 = 21158299673
BaseRepresentation
bin10110111010011010…
…11110001110011011
31011202021221021121021
423131031132032123
5200143103343003
65352350023311
7613556511145
oct133515361633
934667837537
1012301231003
1152427a6a16
1224737a7b37
1312106a3a19
14849a31c95
154bee242bd
hex2dd35e39b

12301231003 has 4 divisors (see below), whose sum is σ = 12359530888. Its totient is φ = 12242931120.

The previous prime is 12301230989. The next prime is 12301231027. The reversal of 12301231003 is 30013210321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12301231003 - 213 = 12301222811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12301231043) 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, 29149626 + ... + 29150047.

It is an arithmetic number, because the mean of its divisors is an integer number (3089882722).

Almost surely, 212301231003 is an apocalyptic number.

12301231003 is a deficient number, since it is larger than the sum of its proper divisors (58299885).

12301231003 is an equidigital number, since it uses as much as digits as its factorization.

12301231003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58299884.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12301231003 its reverse (30013210321), we get a palindrome (42314441324).

The spelling of 12301231003 in words is "twelve billion, three hundred one million, two hundred thirty-one thousand, three".

Divisors: 1 211 58299673 12301231003