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2011241243 = 11431424223
BaseRepresentation
bin111011111100001…
…0001101100011011
312012011111122022102
41313320101230123
513104334204433
6531323514015
7100561161044
oct16770215433
95164448272
102011241243
11942325350
1248168890b
132608b1b9b
141511838cb
15bb8834e8
hex77e11b1b

2011241243 has 8 divisors (see below), whose sum is σ = 2199177216. Its totient is φ = 1824154600.

The previous prime is 2011241213. The next prime is 2011241251. The reversal of 2011241243 is 3421421102.

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 2011241243 - 218 = 2010979099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011241213) 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, 207371 + ... + 216852.

It is an arithmetic number, because the mean of its divisors is an integer number (274897152).

Almost surely, 22011241243 is an apocalyptic number.

2011241243 is a deficient number, since it is larger than the sum of its proper divisors (187935973).

2011241243 is a wasteful number, since it uses less digits than its factorization.

2011241243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424665.

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

The square root of 2011241243 is about 44846.8643608447. The cubic root of 2011241243 is about 1262.2771542498.

Adding to 2011241243 its reverse (3421421102), we get a palindrome (5432662345).

The spelling of 2011241243 in words is "two billion, eleven million, two hundred forty-one thousand, two hundred forty-three".

Divisors: 1 11 431 4741 424223 4666453 182840113 2011241243