Base | Representation |
---|---|
bin | 11100001001111010… |
… | …111011010010010010 |
3 | 2220000212100202021001 |
4 | 130021322323102102 |
5 | 443403142310302 |
6 | 21515451452214 |
7 | 2120105033551 |
oct | 341172732222 |
9 | 86025322231 |
10 | 30231213202 |
11 | 11903805a23 |
12 | 5a3845706a |
13 | 2b0a25a648 |
14 | 166b033d98 |
15 | bbe09b787 |
hex | 709ebb492 |
30231213202 has 16 divisors (see below), whose sum is σ = 47353133952. Its totient is φ = 14447799520.
The previous prime is 30231213191. The next prime is 30231213227. The reversal of 30231213202 is 20231213203.
It is a self number, because there is not a number n which added to its sum of digits gives 30231213202.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177499 + ... + 303262.
It is an arithmetic number, because the mean of its divisors is an integer number (2959570872).
Almost surely, 230231213202 is an apocalyptic number.
30231213202 is a deficient number, since it is larger than the sum of its proper divisors (17121920750).
30231213202 is a wasteful number, since it uses less digits than its factorization.
30231213202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 482153.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 30231213202 its reverse (20231213203), we get a palindrome (50462426405).
Subtracting from 30231213202 its reverse (20231213203), we obtain a palindrome (9999999999).
The spelling of 30231213202 in words is "thirty billion, two hundred thirty-one million, two hundred thirteen thousand, two hundred two".
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