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2011144011 = 33113735779
BaseRepresentation
bin111011111011111…
…1001111101001011
312012011022200221020
41313313321331023
513104323102021
6531321443523
7100560304422
oct16767717513
95164280836
102011144011
11942269298
124816405a3
13260879856
1415115a2b9
15bb8647c6
hex77df9f4b

2011144011 has 16 divisors (see below), whose sum is σ = 2697826560. Its totient is φ = 1332637920.

The previous prime is 2011144007. The next prime is 2011144021. The reversal of 2011144011 is 1104411102.

It is not a de Polignac number, because 2011144011 - 22 = 2011144007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011144021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345120 + ... + 350898.

It is an arithmetic number, because the mean of its divisors is an integer number (168614160).

Almost surely, 22011144011 is an apocalyptic number.

2011144011 is a deficient number, since it is larger than the sum of its proper divisors (686682549).

2011144011 is a wasteful number, since it uses less digits than its factorization.

2011144011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6466.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 2011144011 is about 44845.7803031679. The cubic root of 2011144011 is about 1262.2568126307.

Adding to 2011144011 its reverse (1104411102), we get a palindrome (3115555113).

The spelling of 2011144011 in words is "two billion, eleven million, one hundred forty-four thousand, eleven".

Divisors: 1 3 311 373 933 1119 5779 17337 116003 348009 1797269 2155567 5391807 6466701 670381337 2011144011