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2011400011 = 2278860793
BaseRepresentation
bin111011111100011…
…1000011101001011
312012011210201002201
41313320320131023
513104404300021
6531331141031
7100562421655
oct16770703513
95164721081
102011400011
11942423665
12481744777
1326093922a
141511c56d5
15bb8b5591
hex77e3874b

2011400011 has 4 divisors (see below), whose sum is σ = 2020261032. Its totient is φ = 2002538992.

The previous prime is 2011400003. The next prime is 2011400029. The reversal of 2011400011 is 1100041102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2011400011 - 23 = 2011400003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011400081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4430170 + ... + 4430623.

It is an arithmetic number, because the mean of its divisors is an integer number (505065258).

Almost surely, 22011400011 is an apocalyptic number.

2011400011 is a deficient number, since it is larger than the sum of its proper divisors (8861021).

2011400011 is an equidigital number, since it uses as much as digits as its factorization.

2011400011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8861020.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2011400011 is about 44848.6344385200. The cubic root of 2011400011 is about 1262.3103682243.

Adding to 2011400011 its reverse (1100041102), we get a palindrome (3111441113).

The spelling of 2011400011 in words is "two billion, eleven million, four hundred thousand, eleven".

Divisors: 1 227 8860793 2011400011