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12323832320 = 2954813997
BaseRepresentation
bin10110111101000111…
…01100001000000000
31011210212110112210002
423132203230020000
5200214400113240
65354514255132
7614252563202
oct133643541000
934725415702
1012323832320
115254533698
12247b2874a8
131215288197
1484ca36772
154c1ddad15
hex2de8ec200

12323832320 has 40 divisors (see below), whose sum is σ = 29548319724. Its totient is φ = 4929531904.

The previous prime is 12323832299. The next prime is 12323832337. The reversal of 12323832320 is 2323832321.

It can be written as a sum of positive squares in 2 ways, for example, as 11154739456 + 1169092864 = 105616^2 + 34192^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2404439 + ... + 2409558.

Almost surely, 212323832320 is an apocalyptic number.

12323832320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12323832320 is an abundant number, since it is smaller than the sum of its proper divisors (17224487404).

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

12323832320 is an frugal number, since it uses more digits than its factorization.

12323832320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4814020 (or 4814004 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Subtracting from 12323832320 its reverse (2323832321), we obtain a palindrome (9999999999).

The spelling of 12323832320 in words is "twelve billion, three hundred twenty-three million, eight hundred thirty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1280 2560 4813997 9627994 19255988 24069985 38511976 48139970 77023952 96279940 154047904 192559880 308095808 385119760 616191616 770239520 1232383232 1540479040 2464766464 3080958080 6161916160 12323832320