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2008201105 = 51921138959
BaseRepresentation
bin111011110110010…
…1011011110010001
312011221210012000201
41313230223132101
513103044413410
6531134415201
7100523266501
oct16754533621
95157705021
102008201105
11940639239
12480661501
132600891a1
141509d1a01
15bb48283a
hex77b2b791

2008201105 has 8 divisors (see below), whose sum is σ = 2536675200. Its totient is φ = 1522004976.

The previous prime is 2008201103. The next prime is 2008201147. The reversal of 2008201105 is 5011028002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2008201105 - 21 = 2008201103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (2008201103) 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 7 ways as a sum of consecutive naturals, for example, 10569385 + ... + 10569574.

It is an arithmetic number, because the mean of its divisors is an integer number (317084400).

Almost surely, 22008201105 is an apocalyptic number.

It is an amenable number.

2008201105 is a deficient number, since it is larger than the sum of its proper divisors (528474095).

2008201105 is a wasteful number, since it uses less digits than its factorization.

2008201105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21138983.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 2008201105 is about 44812.9568874896. The cubic root of 2008201105 is about 1261.6408254928.

Adding to 2008201105 its reverse (5011028002), we get a palindrome (7019229107).

The spelling of 2008201105 in words is "two billion, eight million, two hundred one thousand, one hundred five".

Divisors: 1 5 19 95 21138959 105694795 401640221 2008201105