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13112002200 = 233521110971811
BaseRepresentation
bin11000011011000100…
…10100011010011000
31020211210112201121010
430031202110122120
5203323133032300
610005031413520
7642633115443
oct141542243230
936753481533
1013112002200
115619424360
12265b2242a0
13130c6584ab
148c55a265a
1551b1c7a50
hex30d894698

13112002200 has 192 divisors, whose sum is σ = 44407336320. Its totient is φ = 3174016000.

The previous prime is 13112002159. The next prime is 13112002207. The reversal of 13112002200 is 220021131.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112002207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7239295 + ... + 7241105.

It is an arithmetic number, because the mean of its divisors is an integer number (231288210).

Almost surely, 213112002200 is an apocalyptic number.

13112002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13112002200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22203668160).

13112002200 is an abundant number, since it is smaller than the sum of its proper divisors (31295334120).

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

13112002200 is a wasteful number, since it uses less digits than its factorization.

13112002200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938 (or 2929 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 13112002200 its reverse (220021131), we get a palindrome (13332023331).

The spelling of 13112002200 in words is "thirteen billion, one hundred twelve million, two thousand, two hundred".