Base | Representation |
---|---|
bin | 10101100111011011… |
… | …100111101100100101 |
3 | 2012220112221210001100 |
4 | 111213123213230211 |
5 | 340013243131323 |
6 | 14355041350313 |
7 | 1451111565054 |
oct | 254733475445 |
9 | 65815853040 |
10 | 23210130213 |
11 | 99305713a6 |
12 | 45b9038399 |
13 | 225b78237a |
14 | 11a278a39b |
15 | 90c9ba943 |
hex | 5676e7b25 |
23210130213 has 18 divisors (see below), whose sum is σ = 33596307654. Its totient is φ = 15440920272.
The previous prime is 23210130211. The next prime is 23210130241. The reversal of 23210130213 is 31203101232.
23210130213 is a `hidden beast` number, since 2 + 321 + 0 + 130 + 213 = 666.
It can be written as a sum of positive squares in only one way, i.e., 19801555524 + 3408574689 = 140718^2 + 58383^2 .
It is not a de Polignac number, because 23210130213 - 21 = 23210130211 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23210130211) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2235831 + ... + 2246187.
Almost surely, 223210130213 is an apocalyptic number.
It is an amenable number.
23210130213 is a deficient number, since it is larger than the sum of its proper divisors (10386177441).
23210130213 is an equidigital number, since it uses as much as digits as its factorization.
23210130213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11361 (or 10859 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 23210130213 its reverse (31203101232), we get a palindrome (54413231445).
The spelling of 23210130213 in words is "twenty-three billion, two hundred ten million, one hundred thirty thousand, two hundred thirteen".
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