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11200212019 = 106110556279
BaseRepresentation
bin10100110111001010…
…11010110000110011
31001220120011201111101
422123211122300303
5140414223241034
65051215225231
7544360142233
oct123345326063
931816151441
1011200212019
114828256077
122206b18217
1310965572b9
14783709cc3
1545843b514
hex29b95ac33

11200212019 has 4 divisors (see below), whose sum is σ = 11210769360. Its totient is φ = 11189654680.

The previous prime is 11200211999. The next prime is 11200212097. The reversal of 11200212019 is 91021200211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91021200211 = 113805497347.

It is a cyclic number.

It is not a de Polignac number, because 11200212019 - 213 = 11200203827 is a prime.

It is a super-2 number, since 2×112002120192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11200211987 and 11200212005.

It is not an unprimeable number, because it can be changed into a prime (11200212619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5277079 + ... + 5279200.

It is an arithmetic number, because the mean of its divisors is an integer number (2802692340).

Almost surely, 211200212019 is an apocalyptic number.

11200212019 is a deficient number, since it is larger than the sum of its proper divisors (10557341).

11200212019 is a wasteful number, since it uses less digits than its factorization.

11200212019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10557340.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 11200212019 in words is "eleven billion, two hundred million, two hundred twelve thousand, nineteen".

Divisors: 1 1061 10556279 11200212019