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12430424200 = 2352197315493
BaseRepresentation
bin10111001001110100…
…10011100010001000
31012002022000222100111
423210322103202020
5200424142033300
65413243044104
7620015601535
oct134472234210
935068028314
1012430424200
1152a9717757
1224aab10634
1312313991bc
1485cc61d8c
154cb4439ba
hex2e4e93888

12430424200 has 48 divisors (see below), whose sum is σ = 29047532580. Its totient is φ = 4946914560.

The previous prime is 12430424189. The next prime is 12430424233. The reversal of 12430424200 is 242403421.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5847049156 + 6583375044 = 76466^2 + 81138^2 .

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, 118347 + ... + 197146.

Almost surely, 212430424200 is an apocalyptic number.

12430424200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12430424200 is an abundant number, since it is smaller than the sum of its proper divisors (16617108380).

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

12430424200 is a wasteful number, since it uses less digits than its factorization.

12430424200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315706 (or 315697 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12430424200 its reverse (242403421), we get a palindrome (12672827621).

The spelling of 12430424200 in words is "twelve billion, four hundred thirty million, four hundred twenty-four thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 197 200 394 788 985 1576 1970 3940 4925 7880 9850 19700 39400 315493 630986 1261972 1577465 2523944 3154930 6309860 7887325 12619720 15774650 31549300 62152121 63098600 124304242 248608484 310760605 497216968 621521210 1243042420 1553803025 2486084840 3107606050 6215212100 12430424200