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12304140203 = 31673885109
BaseRepresentation
bin10110111010110001…
…00100011110101011
31011202111102002021102
423131120210132223
5200144324441303
65352532232015
7613623315605
oct133530443653
934674362242
1012304140203
115244403713
12247476b60b
131211181c44
1484a18c175
154c02eb288
hex2dd6247ab

12304140203 has 4 divisors (see below), whose sum is σ = 12308028480. Its totient is φ = 12300251928.

The previous prime is 12304140193. The next prime is 12304140209. The reversal of 12304140203 is 30204140321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30204140321 = 120193251297.

It is a cyclic number.

It is not a de Polignac number, because 12304140203 - 24 = 12304140187 is a prime.

It is a super-2 number, since 2×123041402032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12304140209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1939388 + ... + 1945721.

It is an arithmetic number, because the mean of its divisors is an integer number (3077007120).

Almost surely, 212304140203 is an apocalyptic number.

12304140203 is a deficient number, since it is larger than the sum of its proper divisors (3888277).

12304140203 is an equidigital number, since it uses as much as digits as its factorization.

12304140203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888276.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12304140203 its reverse (30204140321), we get a palindrome (42508280524).

The spelling of 12304140203 in words is "twelve billion, three hundred four million, one hundred forty thousand, two hundred three".

Divisors: 1 3167 3885109 12304140203