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12312230300 = 22524122713229
BaseRepresentation
bin10110111011101110…
…11011100110011100
31011210001122002210122
423131313123212130
5200203412332200
65353421454112
7614052142106
oct133567334634
934701562718
1012312230300
115248a29947
122477411338
131212a55396
1484b296576
154c0d98385
hex2ddddb99c

12312230300 has 72 divisors (see below), whose sum is σ = 27491834160. Its totient is φ = 4783244800.

The previous prime is 12312230279. The next prime is 12312230317. The reversal of 12312230300 is 303221321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 924086 + ... + 937314.

It is an arithmetic number, because the mean of its divisors is an integer number (381831030).

Almost surely, 212312230300 is an apocalyptic number.

12312230300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12312230300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13745917080).

12312230300 is an abundant number, since it is smaller than the sum of its proper divisors (15179603860).

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

12312230300 is a wasteful number, since it uses less digits than its factorization.

12312230300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13511 (or 13504 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12312230300 its reverse (303221321), we get a palindrome (12615451621).

The spelling of 12312230300 in words is "twelve billion, three hundred twelve million, two hundred thirty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 41 50 82 100 164 205 227 410 454 820 908 1025 1135 2050 2270 4100 4540 5675 9307 11350 13229 18614 22700 26458 37228 46535 52916 66145 93070 132290 186140 232675 264580 330725 465350 542389 661450 930700 1084778 1322900 2169556 2711945 3002983 5423890 6005966 10847780 12011932 13559725 15014915 27119450 30029830 54238900 60059660 75074575 123122303 150149150 246244606 300298300 492489212 615611515 1231223030 2462446060 3078057575 6156115150 12312230300