Base | Representation |
---|---|
bin | 10010110101111110… |
… | …111110111100011111 |
3 | 1221020002001202000121 |
4 | 102311332332330133 |
5 | 312414130243111 |
6 | 13143412335411 |
7 | 1314252065356 |
oct | 226576767437 |
9 | 57202052017 |
10 | 20233056031 |
11 | 864303a511 |
12 | 3b08014567 |
13 | 1ba5a66c06 |
14 | d9d23099d |
15 | 7d6454871 |
hex | 4b5fbef1f |
20233056031 has 2 divisors, whose sum is σ = 20233056032. Its totient is φ = 20233056030.
The previous prime is 20233056017. The next prime is 20233056043. The reversal of 20233056031 is 13065033202.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 20233056031 - 211 = 20233053983 is a prime.
It is a super-3 number, since 3×202330560313 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 20233055987 and 20233056005.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20237056031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116528015 + 10116528016.
It is an arithmetic number, because the mean of its divisors is an integer number (10116528016).
Almost surely, 220233056031 is an apocalyptic number.
20233056031 is a deficient number, since it is larger than the sum of its proper divisors (1).
20233056031 is an equidigital number, since it uses as much as digits as its factorization.
20233056031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3240, while the sum is 25.
Adding to 20233056031 its reverse (13065033202), we get a palindrome (33298089233).
The spelling of 20233056031 in words is "twenty billion, two hundred thirty-three million, fifty-six thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •