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12321310330 = 257296069611
BaseRepresentation
bin10110111100110100…
…00100011001111010
31011210200201102021001
423132122010121322
5200213223412310
65354344235214
7614222260360
oct133632043172
934720642231
1012321310330
1152530708aa
12247a46bb0a
1312148b4294
1484c57b630
154c1a8d93a
hex2de68467a

12321310330 has 32 divisors (see below), whose sum is σ = 26220723840. Its totient is φ = 4078777920.

The previous prime is 12321310297. The next prime is 12321310357. The reversal of 12321310330 is 3301312321.

It is a junction number, because it is equal to n+sod(n) for n = 12321310298 and 12321310307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3032776 + ... + 3036835.

It is an arithmetic number, because the mean of its divisors is an integer number (819397620).

Almost surely, 212321310330 is an apocalyptic number.

12321310330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321310330 is an abundant number, since it is smaller than the sum of its proper divisors (13899413510).

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

12321310330 is a wasteful number, since it uses less digits than its factorization.

12321310330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6069654.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12321310330 its reverse (3301312321), we get a palindrome (15622622651).

The spelling of 12321310330 in words is "twelve billion, three hundred twenty-one million, three hundred ten thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 29 35 58 70 145 203 290 406 1015 2030 6069611 12139222 30348055 42487277 60696110 84974554 176018719 212436385 352037438 424872770 880093595 1232131033 1760187190 2464262066 6160655165 12321310330