Base | Representation |
---|---|
bin | 10101011100000111… |
… | …100001101001111011 |
3 | 2012102022210002002000 |
4 | 111130013201221323 |
5 | 334121200010321 |
6 | 14324141112043 |
7 | 1443315301530 |
oct | 253407415173 |
9 | 65368702060 |
10 | 23020313211 |
11 | 9843404045 |
12 | 4565558623 |
13 | 222b35200c |
14 | 1185498d87 |
15 | 8eaec3826 |
hex | 55c1e1a7b |
23020313211 has 32 divisors (see below), whose sum is σ = 39057715200. Its totient is φ = 13126950720.
The previous prime is 23020313201. The next prime is 23020313279. The reversal of 23020313211 is 11231302032.
It is not a de Polignac number, because 23020313211 - 27 = 23020313083 is a prime.
It is a super-2 number, since 2×230203132112 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23020313201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36610 + ... + 217671.
It is an arithmetic number, because the mean of its divisors is an integer number (1220553600).
Almost surely, 223020313211 is an apocalyptic number.
23020313211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
23020313211 is a deficient number, since it is larger than the sum of its proper divisors (16037401989).
23020313211 is a wasteful number, since it uses less digits than its factorization.
23020313211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 254776 (or 254770 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 23020313211 its reverse (11231302032), we get a palindrome (34251615243).
The spelling of 23020313211 in words is "twenty-three billion, twenty million, three hundred thirteen thousand, two hundred eleven".
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