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12303310124 = 227439403933
BaseRepresentation
bin10110111010101010…
…11001110100101100
31011202102211220121202
423131111121310230
5200144121410444
65352502345032
7613613260550
oct133525316454
934672756552
1012303310124
115243996aa6
12247442b178
131210c51181
1484a013860
154c01d534e
hex2dd559d2c

12303310124 has 12 divisors (see below), whose sum is σ = 24606620304. Its totient is φ = 5272847184.

The previous prime is 12303310093. The next prime is 12303310127. The reversal of 12303310124 is 42101330321.

12303310124 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12303310096 and 12303310105.

It is not an unprimeable number, because it can be changed into a prime (12303310127) 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, 219701939 + ... + 219701994.

It is an arithmetic number, because the mean of its divisors is an integer number (2050551692).

Almost surely, 212303310124 is an apocalyptic number.

12303310124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12303310124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12303310124 is a wasteful number, since it uses less digits than its factorization.

12303310124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439403944 (or 439403942 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12303310124 its reverse (42101330321), we get a palindrome (54404640445).

The spelling of 12303310124 in words is "twelve billion, three hundred three million, three hundred ten thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 28 439403933 878807866 1757615732 3075827531 6151655062 12303310124