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2008111163 = 2387309181
BaseRepresentation
bin111011110110001…
…0101100000111011
312011221121121122112
41313230111200323
513103034024123
6531132442535
7100522443332
oct16754254073
95157547575
102008111163
11940587703
1248061944b
13260057276
141509aad19
15bb465d78
hex77b1583b

2008111163 has 4 divisors (see below), whose sum is σ = 2095420368. Its totient is φ = 1920801960.

The previous prime is 2008111141. The next prime is 2008111181. The reversal of 2008111163 is 3611118002.

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 2008111163 - 226 = 1941002299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 87309181 = 2008111163 / (2 + 0 + 0 + 8 + 1 + 1 + 1 + 1 + 6 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2008111103) 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, 43654568 + ... + 43654613.

It is an arithmetic number, because the mean of its divisors is an integer number (523855092).

Almost surely, 22008111163 is an apocalyptic number.

2008111163 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2008111163 is a deficient number, since it is larger than the sum of its proper divisors (87309205).

2008111163 is an equidigital number, since it uses as much as digits as its factorization.

2008111163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87309204.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 2008111163 is about 44811.9533495249. The cubic root of 2008111163 is about 1261.6219900297.

Adding to 2008111163 its reverse (3611118002), we get a palindrome (5619229165).

The spelling of 2008111163 in words is "two billion, eight million, one hundred eleven thousand, one hundred sixty-three".

Divisors: 1 23 87309181 2008111163