Base | Representation |
---|---|
bin | 111011110110000… |
… | …0111000100011010 |
3 | 12011221111121111002 |
4 | 1313230013010122 |
5 | 13103030130434 |
6 | 531131305002 |
7 | 100522105664 |
oct | 16754070432 |
9 | 5157447432 |
10 | 2008051994 |
11 | 940547203 |
12 | 4805ab162 |
13 | 260036360 |
14 | 150993534 |
15 | bb45357e |
hex | 77b0711a |
2008051994 has 16 divisors (see below), whose sum is σ = 3257950920. Its totient is φ = 922743360.
The previous prime is 2008051979. The next prime is 2008052009. The reversal of 2008051994 is 4991508002.
It is an interprime number because it is at equal distance from previous prime (2008051979) and next prime (2008052009).
It can be written as a sum of positive squares in 4 ways, for example, as 1631109769 + 376942225 = 40387^2 + 19415^2 .
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162677 + ... + 174584.
Almost surely, 22008051994 is an apocalyptic number.
2008051994 is a deficient number, since it is larger than the sum of its proper divisors (1249898926).
2008051994 is a wasteful number, since it uses less digits than its factorization.
2008051994 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 337505.
The product of its (nonzero) digits is 25920, while the sum is 38.
The square root of 2008051994 is about 44811.2931525079. The cubic root of 2008051994 is about 1261.6095986764.
Adding to 2008051994 its reverse (4991508002), we get a palindrome (6999559996).
The spelling of 2008051994 in words is "two billion, eight million, fifty-one thousand, nine hundred ninety-four".
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