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11223840885 = 357310250083
BaseRepresentation
bin10100111001111111…
…00011100001110101
31001222012122012012120
422130333203201311
5140441300402020
65053421510153
7545065034115
oct123477434165
931865565176
1011223840885
11483a624864
122212a12359
13109b40b38a
147868db045
1545a557740
hex29cfe3875

11223840885 has 16 divisors (see below), whose sum is σ = 18204149184. Its totient is φ = 5904047232.

The previous prime is 11223840857. The next prime is 11223840937. The reversal of 11223840885 is 58804832211.

It is not a de Polignac number, because 11223840885 - 28 = 11223840629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5123947 + ... + 5126136.

It is an arithmetic number, because the mean of its divisors is an integer number (1137759324).

Almost surely, 211223840885 is an apocalyptic number.

11223840885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11223840885 is a deficient number, since it is larger than the sum of its proper divisors (6980308299).

11223840885 is a wasteful number, since it uses less digits than its factorization.

11223840885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10250164.

The product of its (nonzero) digits is 122880, while the sum is 42.

The spelling of 11223840885 in words is "eleven billion, two hundred twenty-three million, eight hundred forty thousand, eight hundred eighty-five".

Divisors: 1 3 5 15 73 219 365 1095 10250083 30750249 51250415 153751245 748256059 2244768177 3741280295 11223840885