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13112233200 = 243252112631259
BaseRepresentation
bin11000011011000110…
…01100110011110000
31020211210222110110200
430031203030303300
5203323212430300
610005040355200
7642635100063
oct141543146360
936753873420
1013112233200
115619571970
12265b315b00
13130c709691
148c56228da
1551b221200
hex30d8cccf0

13112233200 has 360 divisors, whose sum is σ = 49868058240. Its totient is φ = 3164121600.

The previous prime is 13112233177. The next prime is 13112233201. The reversal of 13112233200 is 233221131.

13112233200 is a `hidden beast` number, since 1 + 311 + 22 + 332 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112233201) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10414171 + ... + 10415429.

It is an arithmetic number, because the mean of its divisors is an integer number (138522384).

Almost surely, 213112233200 is an apocalyptic number.

13112233200 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 13112233200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24934029120).

13112233200 is an abundant number, since it is smaller than the sum of its proper divisors (36755825040).

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

13112233200 is a wasteful number, since it uses less digits than its factorization.

13112233200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557 (or 1543 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13112233200 its reverse (233221131), we get a palindrome (13345454331).

The spelling of 13112233200 in words is "thirteen billion, one hundred twelve million, two hundred thirty-three thousand, two hundred".