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12320030000 = 24541232003
BaseRepresentation
bin10110111100101010…
…01011110100110000
31011210121022100222102
423132111023310300
5200212411430000
65354300555532
7614205345545
oct133625136460
934717270872
1012320030000
115252376983
122479b52ba8
1312145565a5
1484c326bcc
154c18d93d5
hex2de54bd30

12320030000 has 50 divisors (see below), whose sum is σ = 29828048844. Its totient is φ = 4928008000.

The previous prime is 12320029987. The next prime is 12320030011. The reversal of 12320030000 is 3002321.

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 606002 + ... + 626001.

Almost surely, 212320030000 is an apocalyptic number.

12320030000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320030000 is an abundant number, since it is smaller than the sum of its proper divisors (17508018844).

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

12320030000 is an equidigital number, since it uses as much as digits as its factorization.

12320030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232031 (or 1232010 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 12320030000 its reverse (3002321), we get a palindrome (12323032321).

The spelling of 12320030000 in words is "twelve billion, three hundred twenty million, thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 1232003 2464006 4928012 6160015 9856024 12320030 19712048 24640060 30800075 49280120 61600150 98560240 123200300 154000375 246400600 308000750 492801200 616001500 770001875 1232003000 1540003750 2464006000 3080007500 6160015000 12320030000