Base | Representation |
---|---|
bin | 111110010100000… |
… | …1011010101111101 |
3 | 12101201102002012012 |
4 | 1330220023111331 |
5 | 13240233011010 |
6 | 543251221005 |
7 | 102546262535 |
oct | 17450132575 |
9 | 5351362165 |
10 | 2090907005 |
11 | 983298420 |
12 | 4a42a7765 |
13 | 2742560a5 |
14 | 15b9a04c5 |
15 | c386d005 |
hex | 7ca0b57d |
2090907005 has 16 divisors (see below), whose sum is σ = 2738159424. Its totient is φ = 1520119680.
The previous prime is 2090906999. The next prime is 2090907019. The reversal of 2090907005 is 5007090902.
It is not a de Polignac number, because 2090907005 - 220 = 2089858429 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215417 + ... + 224913.
It is an arithmetic number, because the mean of its divisors is an integer number (171134964).
Almost surely, 22090907005 is an apocalyptic number.
It is an amenable number.
2090907005 is a deficient number, since it is larger than the sum of its proper divisors (647252419).
2090907005 is a wasteful number, since it uses less digits than its factorization.
2090907005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13516.
The product of its (nonzero) digits is 5670, while the sum is 32.
The square root of 2090907005 is about 45726.4366094713. The cubic root of 2090907005 is about 1278.7281892593.
Adding to 2090907005 its reverse (5007090902), we get a palindrome (7097997907).
The spelling of 2090907005 in words is "two billion, ninety million, nine hundred seven thousand, five".
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