Base | Representation |
---|---|
bin | 100101010000011000… |
… | …001101100100111101 |
3 | 10211020220010122020121 |
4 | 211100120031210331 |
5 | 1123411311330023 |
6 | 30213252014541 |
7 | 2614213562515 |
oct | 452030154475 |
9 | 124226118217 |
10 | 40003230013 |
11 | 15a6886487a |
12 | 7905001451 |
13 | 3a06943806 |
14 | 1d16bac845 |
15 | 1091e23d5d |
hex | 95060d93d |
40003230013 has 2 divisors, whose sum is σ = 40003230014. Its totient is φ = 40003230012.
The previous prime is 40003230011. The next prime is 40003230031. The reversal of 40003230013 is 31003230004.
Together with next prime (40003230031) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 35941334724 + 4061895289 = 189582^2 + 63733^2 .
It is a cyclic number.
It is not a de Polignac number, because 40003230013 - 21 = 40003230011 is a prime.
It is a super-2 number, since 2×400032300132 (a number of 22 digits) contains 22 as substring.
Together with 40003230011, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (40003230011) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20001615006 + 20001615007.
It is an arithmetic number, because the mean of its divisors is an integer number (20001615007).
Almost surely, 240003230013 is an apocalyptic number.
It is an amenable number.
40003230013 is a deficient number, since it is larger than the sum of its proper divisors (1).
40003230013 is an equidigital number, since it uses as much as digits as its factorization.
40003230013 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 216, while the sum is 16.
Adding to 40003230013 its reverse (31003230004), we get a palindrome (71006460017).
Subtracting from 40003230013 its reverse (31003230004), we obtain a palindrome (9000000009).
The spelling of 40003230013 in words is "forty billion, three million, two hundred thirty thousand, thirteen".
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