Base | Representation |
---|---|
bin | 10101111001111001… |
… | …110010110111111101 |
3 | 2020201011002022220211 |
4 | 111321321302313331 |
5 | 341132111431310 |
6 | 14445511512421 |
7 | 1461563646430 |
oct | 257171626775 |
9 | 66634068824 |
10 | 23520030205 |
11 | 9a7a4978a1 |
12 | 4684988711 |
13 | 22aaa38349 |
14 | 11d19b9817 |
15 | 929cd2c8a |
hex | 579e72dfd |
23520030205 has 16 divisors (see below), whose sum is σ = 32262405120. Its totient is φ = 16124838912.
The previous prime is 23520030203. The next prime is 23520030223. The reversal of 23520030205 is 50203002532.
It is not a de Polignac number, because 23520030205 - 21 = 23520030203 is a prime.
It is a super-2 number, since 2×235200302052 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23520030203) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121117 + ... + 248413.
It is an arithmetic number, because the mean of its divisors is an integer number (2016400320).
Almost surely, 223520030205 is an apocalyptic number.
It is an amenable number.
23520030205 is a deficient number, since it is larger than the sum of its proper divisors (8742374915).
23520030205 is a wasteful number, since it uses less digits than its factorization.
23520030205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 132588.
The product of its (nonzero) digits is 1800, while the sum is 22.
Adding to 23520030205 its reverse (50203002532), we get a palindrome (73723032737).
The spelling of 23520030205 in words is "twenty-three billion, five hundred twenty million, thirty thousand, two hundred five".
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