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2011444242 = 23477132781
BaseRepresentation
bin111011111100100…
…0011010000010010
312012011212221202220
41313321003100102
513104412203432
6531332121510
7100562664633
oct16771032022
95164787686
102011444242
11942453915
12481766296
132609533c2
141511d788a
15bb8c372c
hex77e43412

2011444242 has 16 divisors (see below), whose sum is σ = 4108482432. Its totient is φ = 656215760.

The previous prime is 2011444241. The next prime is 2011444249. The reversal of 2011444242 is 2424441102.

It is not an unprimeable number, because it can be changed into a prime (2011444241) 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, 3566109 + ... + 3566672.

It is an arithmetic number, because the mean of its divisors is an integer number (256780152).

Almost surely, 22011444242 is an apocalyptic number.

2011444242 is an abundant number, since it is smaller than the sum of its proper divisors (2097038190).

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

2011444242 is a wasteful number, since it uses less digits than its factorization.

2011444242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7132833.

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 2011444242 is about 44849.1275500427. The cubic root of 2011444242 is about 1262.3196209571.

Adding to 2011444242 its reverse (2424441102), we get a palindrome (4435885344).

The spelling of 2011444242 in words is "two billion, eleven million, four hundred forty-four thousand, two hundred forty-two".

Divisors: 1 2 3 6 47 94 141 282 7132781 14265562 21398343 42796686 335240707 670481414 1005722121 2011444242