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12231303400 = 2352232658979
BaseRepresentation
bin10110110010000101…
…01110000011101000
31011120102100120222001
423121002232003220
5200022203202100
65341411140344
7612050235451
oct133102560350
934512316861
1012231303400
115207285308
1224542a46b4
1311cc05c144
1484062c128
154b8c0ed6a
hex2d90ae0e8

12231303400 has 48 divisors (see below), whose sum is σ = 29674216800. Its totient is φ = 4679801280.

The previous prime is 12231303347. The next prime is 12231303433. The reversal of 12231303400 is 430313221.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1324890 + ... + 1334089.

It is an arithmetic number, because the mean of its divisors is an integer number (618212850).

Almost surely, 212231303400 is an apocalyptic number.

12231303400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12231303400 is an abundant number, since it is smaller than the sum of its proper divisors (17442913400).

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

12231303400 is a wasteful number, since it uses less digits than its factorization.

12231303400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659018 (or 2659009 counting only the distinct ones).

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

Adding to 12231303400 its reverse (430313221), we get a palindrome (12661616621).

The spelling of 12231303400 in words is "twelve billion, two hundred thirty-one million, three hundred three thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 23 25 40 46 50 92 100 115 184 200 230 460 575 920 1150 2300 4600 2658979 5317958 10635916 13294895 21271832 26589790 53179580 61156517 66474475 106359160 122313034 132948950 244626068 265897900 305782585 489252136 531795800 611565170 1223130340 1528912925 2446260680 3057825850 6115651700 12231303400