Base | Representation |
---|---|
bin | 1101011010000001010… |
… | …0111110100100010101 |
3 | 211000111121120210201221 |
4 | 3112200110332210111 |
5 | 12233200204323110 |
6 | 253450423450341 |
7 | 22432423135600 |
oct | 3264024764425 |
9 | 730447523657 |
10 | 230323120405 |
11 | 89752440394 |
12 | 3877a8b69b1 |
13 | 18947618881 |
14 | b20d3db337 |
15 | 5ed06277da |
hex | 35a053e915 |
230323120405 has 24 divisors (see below), whose sum is σ = 338433979680. Its totient is φ = 149623437600.
The previous prime is 230323120373. The next prime is 230323120451. The reversal of 230323120405 is 504021323032.
It is not a de Polignac number, because 230323120405 - 25 = 230323120373 is a prime.
It is a super-2 number, since 2×2303231204052 (a number of 24 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 230323120405.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24734671 + ... + 24743980.
It is an arithmetic number, because the mean of its divisors is an integer number (14101415820).
Almost surely, 2230323120405 is an apocalyptic number.
It is an amenable number.
230323120405 is a deficient number, since it is larger than the sum of its proper divisors (108110859275).
230323120405 is a wasteful number, since it uses less digits than its factorization.
230323120405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49478689 (or 49478682 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 25.
Adding to 230323120405 its reverse (504021323032), we get a palindrome (734344443437).
The spelling of 230323120405 in words is "two hundred thirty billion, three hundred twenty-three million, one hundred twenty thousand, four hundred five".
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