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2011420441 = 2278860883
BaseRepresentation
bin111011111100011…
…1101011100011001
312012011211202010101
41313320331130121
513104410423231
6531331415401
7100562535352
oct16770753431
95164752111
102011420441
11942437a48
12481754561
13260945614
141511ccd29
15bb8bb661
hex77e3d719

2011420441 has 4 divisors (see below), whose sum is σ = 2020281552. Its totient is φ = 2002559332.

The previous prime is 2011420409. The next prime is 2011420447. The reversal of 2011420441 is 1440241102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2011420441 - 25 = 2011420409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011420447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4430215 + ... + 4430668.

It is an arithmetic number, because the mean of its divisors is an integer number (505070388).

Almost surely, 22011420441 is an apocalyptic number.

It is an amenable number.

2011420441 is a deficient number, since it is larger than the sum of its proper divisors (8861111).

2011420441 is an equidigital number, since it uses as much as digits as its factorization.

2011420441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8861110.

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

The square root of 2011420441 is about 44848.8622040738. The cubic root of 2011420441 is about 1262.3146420159.

Adding to 2011420441 its reverse (1440241102), we get a palindrome (3451661543).

The spelling of 2011420441 in words is "two billion, eleven million, four hundred twenty thousand, four hundred forty-one".

Divisors: 1 227 8860883 2011420441