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12333312400 = 245230833281
BaseRepresentation
bin10110111110001111…
…10110100110010000
31011211112022012000011
423133013312212100
5200224311444100
65355453404304
7614426266003
oct133707664620
934745265004
1012333312400
115259919172
122482499694
1312172271b6
1484ddc353a
154c2b5ebba
hex2df1f6990

12333312400 has 30 divisors (see below), whose sum is σ = 29630784002. Its totient is φ = 4933324800.

The previous prime is 12333312323. The next prime is 12333312403. The reversal of 12333312400 is 421333321.

It can be written as a sum of positive squares in 3 ways, for example, as 50466816 + 12282845584 = 7104^2 + 110828^2 .

It is a super-2 number, since 2×123333124002 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12333312403) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 15416241 + ... + 15417040.

Almost surely, 212333312400 is an apocalyptic number.

12333312400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12333312400 is an abundant number, since it is smaller than the sum of its proper divisors (17297471602).

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

12333312400 is a wasteful number, since it uses less digits than its factorization.

12333312400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30833299 (or 30833288 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12333312400 its reverse (421333321), we get a palindrome (12754645721).

The spelling of 12333312400 in words is "twelve billion, three hundred thirty-three million, three hundred twelve thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 30833281 61666562 123333124 154166405 246666248 308332810 493332496 616665620 770832025 1233331240 1541664050 2466662480 3083328100 6166656200 12333312400