Base | Representation |
---|---|
bin | 10101100111100111… |
… | …000010010111001001 |
3 | 2012220202120211101221 |
4 | 111213213002113021 |
5 | 340020024414032 |
6 | 14355225442041 |
7 | 1451146201330 |
oct | 254747022711 |
9 | 65822524357 |
10 | 23213123017 |
11 | 9932225997 |
12 | 45ba040321 |
13 | 225c28c666 |
14 | 11a2d28d17 |
15 | 90cdac597 |
hex | 5679c25c9 |
23213123017 has 8 divisors (see below), whose sum is σ = 26978932800. Its totient is φ = 19559725584.
The previous prime is 23213122997. The next prime is 23213123027. The reversal of 23213123017 is 71032131232.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-23213123017 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23213122982 and 23213123000.
It is not an unprimeable number, because it can be changed into a prime (23213123027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28102642 + ... + 28103467.
It is an arithmetic number, because the mean of its divisors is an integer number (3372366600).
Almost surely, 223213123017 is an apocalyptic number.
It is an amenable number.
23213123017 is a deficient number, since it is larger than the sum of its proper divisors (3765809783).
23213123017 is an equidigital number, since it uses as much as digits as its factorization.
23213123017 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56206175.
The product of its (nonzero) digits is 1512, while the sum is 25.
Adding to 23213123017 its reverse (71032131232), we get a palindrome (94245254249).
The spelling of 23213123017 in words is "twenty-three billion, two hundred thirteen million, one hundred twenty-three thousand, seventeen".
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