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11806411044 = 223983867587
BaseRepresentation
bin10101111111011011…
…11000100100100100
31010110210211211020010
422333231320210210
5143134420123134
65231312210220
7565400560311
oct127755704444
933423754203
1011806411044
1150094583aa
122355b39970
13116201364c
14800027d08
15491780ce9
hex2bfb78924

11806411044 has 12 divisors (see below), whose sum is σ = 27548292464. Its totient is φ = 3935470344.

The previous prime is 11806411033. The next prime is 11806411049. The reversal of 11806411044 is 44011460811.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (11806411049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491933782 + ... + 491933805.

Almost surely, 211806411044 is an apocalyptic number.

It is an amenable number.

11806411044 is an abundant number, since it is smaller than the sum of its proper divisors (15741881420).

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

11806411044 is a wasteful number, since it uses less digits than its factorization.

11806411044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983867594 (or 983867592 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

Adding to 11806411044 its reverse (44011460811), we get a palindrome (55817871855).

The spelling of 11806411044 in words is "eleven billion, eight hundred six million, four hundred eleven thousand, forty-four".

Divisors: 1 2 3 4 6 12 983867587 1967735174 2951602761 3935470348 5903205522 11806411044