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242144442011 = 285184933161
BaseRepresentation
bin1110000110000011101…
…1101111011010011011
3212011000110111011102002
43201200323233122123
512431402434121021
6303123431431215
723331364540223
oct3414073573233
9764013434362
10242144442011
119376925226a
123ab1982550b
1319aac74cc24
14ba113c7083
15647335150b
hex3860eef69b

242144442011 has 4 divisors (see below), whose sum is σ = 242229378024. Its totient is φ = 242059506000.

The previous prime is 242144441989. The next prime is 242144442031. The reversal of 242144442011 is 110244441242.

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 242144442011 - 218 = 242144179867 is a prime.

It is a super-3 number, since 3×2421444420113 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242144442031) 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, 42463730 + ... + 42469431.

It is an arithmetic number, because the mean of its divisors is an integer number (60557344506).

Almost surely, 2242144442011 is an apocalyptic number.

242144442011 is a deficient number, since it is larger than the sum of its proper divisors (84936013).

242144442011 is an equidigital number, since it uses as much as digits as its factorization.

242144442011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84936012.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 242144442011 its reverse (110244441242), we get a palindrome (352388883253).

The spelling of 242144442011 in words is "two hundred forty-two billion, one hundred forty-four million, four hundred forty-two thousand, eleven".

Divisors: 1 2851 84933161 242144442011