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2011401244 = 222321863057
BaseRepresentation
bin111011111100011…
…1000110000011100
312012011210202210101
41313320320300130
513104404314434
6531331150444
7100562425366
oct16770706034
95164722711
102011401244
11942424586
12481745424
13260939968
141511c5d36
15bb8b5b14
hex77e38c1c

2011401244 has 12 divisors (see below), whose sum is σ = 3672993744. Its totient is φ = 961974464.

The previous prime is 2011401191. The next prime is 2011401269. The reversal of 2011401244 is 4421041102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10931437 + ... + 10931620.

It is an arithmetic number, because the mean of its divisors is an integer number (306082812).

Almost surely, 22011401244 is an apocalyptic number.

It is an amenable number.

2011401244 is a deficient number, since it is larger than the sum of its proper divisors (1661592500).

2011401244 is a wasteful number, since it uses less digits than its factorization.

2011401244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21863084 (or 21863082 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2011401244 is about 44848.6481847558. The cubic root of 2011401244 is about 1262.3106261588.

Adding to 2011401244 its reverse (4421041102), we get a palindrome (6432442346).

The spelling of 2011401244 in words is "two billion, eleven million, four hundred one thousand, two hundred forty-four".

Divisors: 1 2 4 23 46 92 21863057 43726114 87452228 502850311 1005700622 2011401244