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2011243412 = 221771416579
BaseRepresentation
bin111011111100001…
…0010001110010100
312012011111202021202
41313320102032110
513104334242122
6531323532032
7100561200263
oct16770221624
95164452252
102011243412
11942326a42
1248168a018
132608b2b79
141511845da
15bb883e92
hex77e12394

2011243412 has 24 divisors (see below), whose sum is σ = 3779213760. Its totient is φ = 933134720.

The previous prime is 2011243379. The next prime is 2011243427. The reversal of 2011243412 is 2143421102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203462 + ... + 213117.

It is an arithmetic number, because the mean of its divisors is an integer number (157467240).

Almost surely, 22011243412 is an apocalyptic number.

It is an amenable number.

2011243412 is a deficient number, since it is larger than the sum of its proper divisors (1767970348).

2011243412 is a wasteful number, since it uses less digits than its factorization.

2011243412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416671 (or 416669 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2011243412 is about 44846.8885431308. Note that the first 3 decimals coincide. The cubic root of 2011243412 is about 1262.2776080124.

Adding to 2011243412 its reverse (2143421102), we get a palindrome (4154664514).

The spelling of 2011243412 in words is "two billion, eleven million, two hundred forty-three thousand, four hundred twelve".

Divisors: 1 2 4 17 34 68 71 142 284 1207 2414 4828 416579 833158 1666316 7081843 14163686 28327372 29577109 59154218 118308436 502810853 1005621706 2011243412