Base | Representation |
---|---|
bin | 1111100001011… |
… | …01100111000111 |
3 | 100002000100212202 |
4 | 13300231213013 |
5 | 231313211442 |
6 | 20530505115 |
7 | 3140524466 |
oct | 760554707 |
9 | 302010782 |
10 | 130210247 |
11 | 67555982 |
12 | 3773519b |
13 | 20c903ab |
14 | 134169dd |
15 | b670c32 |
hex | 7c2d9c7 |
130210247 has 2 divisors, whose sum is σ = 130210248. Its totient is φ = 130210246.
The previous prime is 130210243. The next prime is 130210271. The reversal of 130210247 is 742012031.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 130210247 - 22 = 130210243 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (130210243) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65105123 + 65105124.
It is an arithmetic number, because the mean of its divisors is an integer number (65105124).
Almost surely, 2130210247 is an apocalyptic number.
130210247 is a deficient number, since it is larger than the sum of its proper divisors (1).
130210247 is an equidigital number, since it uses as much as digits as its factorization.
130210247 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 130210247 is about 11410.9704670549. The cubic root of 130210247 is about 506.8526493378.
Adding to 130210247 its reverse (742012031), we get a palindrome (872222278).
The spelling of 130210247 in words is "one hundred thirty million, two hundred ten thousand, two hundred forty-seven".
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