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12312304030 = 251327285387
BaseRepresentation
bin10110111011101111…
…01101100110011110
31011210001202211221101
423131313231212132
5200203422212110
65353423223314
7614052600055
oct133567554636
934701684841
1012312304030
115248a7a284
122477447b3a
131212a7cb00
1484b2b539c
154c0db013a
hex2ddded99e

12312304030 has 24 divisors (see below), whose sum is σ = 23998068072. Its totient is φ = 4546080864.

The previous prime is 12312304013. The next prime is 12312304031. The reversal of 12312304030 is 3040321321.

It is a junction number, because it is equal to n+sod(n) for n = 12312303989 and 12312304007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312304031) 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 11 ways as a sum of consecutive naturals, for example, 3641004 + ... + 3644383.

It is an arithmetic number, because the mean of its divisors is an integer number (999919503).

Almost surely, 212312304030 is an apocalyptic number.

12312304030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12312304030 is a deficient number, since it is larger than the sum of its proper divisors (11685764042).

12312304030 is a wasteful number, since it uses less digits than its factorization.

12312304030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7285420 (or 7285407 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12312304030 its reverse (3040321321), we get a palindrome (15352625351).

The spelling of 12312304030 in words is "twelve billion, three hundred twelve million, three hundred four thousand, thirty".

Divisors: 1 2 5 10 13 26 65 130 169 338 845 1690 7285387 14570774 36426935 72853870 94710031 189420062 473550155 947100310 1231230403 2462460806 6156152015 12312304030