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2008111811 is a prime number
BaseRepresentation
bin111011110110001…
…0101101011000011
312011221121122112112
41313230111223003
513103034034221
6531132445535
7100522445246
oct16754255303
95157548475
102008111811
11940588142
124806198ab
13260057654
141509ab25d
15bb46615b
hex77b15ac3

2008111811 has 2 divisors, whose sum is σ = 2008111812. Its totient is φ = 2008111810.

The previous prime is 2008111799. The next prime is 2008111829. The reversal of 2008111811 is 1181118002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2008111811 - 26 = 2008111747 is a prime.

It is not a weakly prime, because it can be changed into another prime (2008111891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004055905 + 1004055906.

It is an arithmetic number, because the mean of its divisors is an integer number (1004055906).

Almost surely, 22008111811 is an apocalyptic number.

2008111811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2008111811 is an equidigital number, since it uses as much as digits as its factorization.

2008111811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 23.

The square root of 2008111811 is about 44811.9605797381. The cubic root of 2008111811 is about 1261.6221257345.

Adding to 2008111811 its reverse (1181118002), we get a palindrome (3189229813).

The spelling of 2008111811 in words is "two billion, eight million, one hundred eleven thousand, eight hundred eleven".