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20110133 = 173893041
BaseRepresentation
bin100110010110…
…1101100110101
31101211200220202
41030231230311
520122011013
61555010245
7332635061
oct114555465
941750822
1020110133
111039604a
126899985
1342215b4
142956aa1
151b73858
hex132db35

20110133 has 8 divisors (see below), whose sum is σ = 21354840. Its totient is φ = 18872320.

The previous prime is 20110109. The next prime is 20110141. The reversal of 20110133 is 33101102.

It can be written as a sum of positive squares in 4 ways, for example, as 8773444 + 11336689 = 2962^2 + 3367^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20110133 - 28 = 20109877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110183) 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, 5093 + ... + 8133.

It is an arithmetic number, because the mean of its divisors is an integer number (2669355).

Almost surely, 220110133 is an apocalyptic number.

It is an amenable number.

20110133 is a deficient number, since it is larger than the sum of its proper divisors (1244707).

20110133 is a wasteful number, since it uses less digits than its factorization.

20110133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3447.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 20110133 is about 4484.4322940591. The cubic root of 20110133 is about 271.9390948192.

Adding to 20110133 its reverse (33101102), we get a palindrome (53211235).

The spelling of 20110133 in words is "twenty million, one hundred ten thousand, one hundred thirty-three".

Divisors: 1 17 389 3041 6613 51697 1182949 20110133