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11200100200 = 235261918041
BaseRepresentation
bin10100110111001001…
…11111011101101000
31001220112222001002221
422123210333131220
5140414211201300
65051213003424
7544356165232
oct123344773550
931815861087
1011200100200
11482818a063
122206a83574
131096518433
147836bb252
1545841831a
hex29b93f768

11200100200 has 48 divisors (see below), whose sum is σ = 26467150860. Its totient is φ = 4406592000.

The previous prime is 11200100161. The next prime is 11200100209. The reversal of 11200100200 is 200100211.

It can be written as a sum of positive squares in 6 ways, for example, as 1158857764 + 10041242436 = 34042^2 + 100206^2 .

It is not an unprimeable number, because it can be changed into a prime (11200100209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 446821 + ... + 471220.

Almost surely, 211200100200 is an apocalyptic number.

11200100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200100200 is an abundant number, since it is smaller than the sum of its proper divisors (15267050660).

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

11200100200 is a wasteful number, since it uses less digits than its factorization.

11200100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918118 (or 918109 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 11200100200 its reverse (200100211), we get a palindrome (11400200411).

The spelling of 11200100200 in words is "eleven billion, two hundred million, one hundred thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 61 100 122 200 244 305 488 610 1220 1525 2440 3050 6100 12200 918041 1836082 3672164 4590205 7344328 9180410 18360820 22951025 36721640 45902050 56000501 91804100 112001002 183608200 224002004 280002505 448004008 560005010 1120010020 1400012525 2240020040 2800025050 5600050100 11200100200