Base | Representation |
---|---|
bin | 101110101010011111011101… |
… | …001100111011110100011010 |
3 | 222220122210211212110020220100 |
4 | 232222133131030323310122 |
5 | 203344442303131212000 |
6 | 2004253231032440230 |
7 | 61141250012234523 |
oct | 5652373514736432 |
9 | 886583755406810 |
10 | 205230133460250 |
11 | 5a435679aaa768 |
12 | 1b026b84549076 |
13 | 8a69170594b62 |
14 | 389729751784a |
15 | 18ad790422a00 |
hex | baa7dd33bd1a |
205230133460250 has 96 divisors (see below), whose sum is σ = 554964566489424. Its totient is φ = 54725837798400.
The previous prime is 205230133460221. The next prime is 205230133460257. The reversal of 205230133460250 is 52064331032502.
205230133460250 is a `hidden beast` number, since 2 + 0 + 5 + 2 + 3 + 0 + 13 + 34 + 602 + 5 + 0 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 15905715310809 + 189324418149441 = 3988197^2 + 13759521^2 .
It is a super-2 number, since 2×2052301334602502 (a number of 29 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (205230133460257) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54595294 + ... + 58233206.
Almost surely, 2205230133460250 is an apocalyptic number.
205230133460250 is an abundant number, since it is smaller than the sum of its proper divisors (349734433029174).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205230133460250 is a wasteful number, since it uses less digits than its factorization.
205230133460250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3663009 (or 3662996 counting only the distinct ones).
The product of its (nonzero) digits is 129600, while the sum is 36.
Adding to 205230133460250 its reverse (52064331032502), we get a palindrome (257294464492752).
The spelling of 205230133460250 in words is "two hundred five trillion, two hundred thirty billion, one hundred thirty-three million, four hundred sixty thousand, two hundred fifty".
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