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11201200109 = 118911441471
BaseRepresentation
bin10100110111010010…
…01011111111101101
31001220122000220220022
422123221023333231
5140420001400414
65051252331525
7544401426041
oct123351137755
931818026808
1011201200109
114828870480
122207313ba5
131096811c78
147838c6021
1545858418e
hex29ba4bfed

11201200109 has 8 divisors (see below), whose sum is σ = 12356789760. Its totient is φ = 10068493600.

The previous prime is 11201200099. The next prime is 11201200111. The reversal of 11201200109 is 90100210211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11201200109 - 220 = 11200151533 is a prime.

It is a super-2 number, since 2×112012001092 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201200189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5719757 + ... + 5721714.

It is an arithmetic number, because the mean of its divisors is an integer number (1544598720).

Almost surely, 211201200109 is an apocalyptic number.

It is an amenable number.

11201200109 is a deficient number, since it is larger than the sum of its proper divisors (1155589651).

11201200109 is a wasteful number, since it uses less digits than its factorization.

11201200109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11441571.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 11201200109 in words is "eleven billion, two hundred one million, two hundred thousand, one hundred nine".

Divisors: 1 11 89 979 11441471 125856181 1018290919 11201200109