Base | Representation |
---|---|
bin | 10100011111011111… |
… | …010010011001100101 |
3 | 2002210102202220210000 |
4 | 110133133102121211 |
5 | 330030300211010 |
6 | 14035203251513 |
7 | 1406154351621 |
oct | 243737223145 |
9 | 62712686700 |
10 | 22003132005 |
11 | 9371215818 |
12 | 4320979b99 |
13 | 20c86aa74a |
14 | 10ca358181 |
15 | 88ba4b7c0 |
hex | 51f7d2665 |
22003132005 has 20 divisors (see below), whose sum is σ = 39442652172. Its totient is φ = 11735003520.
The previous prime is 22003131971. The next prime is 22003132007. The reversal of 22003132005 is 50023130022.
It can be written as a sum of positive squares in 2 ways, for example, as 16661130084 + 5342001921 = 129078^2 + 73089^2 .
It is not a de Polignac number, because 22003132005 - 211 = 22003129957 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22003132007) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27163956 + ... + 27164765.
Almost surely, 222003132005 is an apocalyptic number.
It is an amenable number.
22003132005 is a deficient number, since it is larger than the sum of its proper divisors (17439520167).
22003132005 is an equidigital number, since it uses as much as digits as its factorization.
22003132005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54328738 (or 54328729 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
Adding to 22003132005 its reverse (50023130022), we get a palindrome (72026262027).
The spelling of 22003132005 in words is "twenty-two billion, three million, one hundred thirty-two thousand, five".
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