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12321130410 = 2325136901449
BaseRepresentation
bin10110111100110010…
…11000011110101010
31011210200101021110100
423132121120132222
5200213202133120
65354340330230
7614220611001
oct133631303652
934720337410
1012321130410
115252a58706
12247a3a3976
131214850414
1484c531c38
154c1a55490
hex2de6587aa

12321130410 has 24 divisors (see below), whose sum is σ = 32034939300. Its totient is φ = 3285634752.

The previous prime is 12321130399. The next prime is 12321130447. The reversal of 12321130410 is 1403112321.

12321130410 is a `hidden beast` number, since 12 + 3 + 211 + 30 + 410 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11155795641 + 1165334769 = 105621^2 + 34137^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 68450635 + ... + 68450814.

Almost surely, 212321130410 is an apocalyptic number.

12321130410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321130410 is an abundant number, since it is smaller than the sum of its proper divisors (19713808890).

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

12321130410 is a wasteful number, since it uses less digits than its factorization.

12321130410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136901462 (or 136901459 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12321130410 its reverse (1403112321), we get a palindrome (13724242731).

The spelling of 12321130410 in words is "twelve billion, three hundred twenty-one million, one hundred thirty thousand, four hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 136901449 273802898 410704347 684507245 821408694 1232113041 1369014490 2053521735 2464226082 4107043470 6160565205 12321130410