Base | Representation |
---|---|
bin | 1111100001010… |
… | …11001010100111 |
3 | 100001222212010210 |
4 | 13300223022213 |
5 | 231312401411 |
6 | 20530350503 |
7 | 3140453340 |
oct | 760531247 |
9 | 301885123 |
10 | 130200231 |
11 | 675493a7 |
12 | 3772b433 |
13 | 20c88975 |
14 | 134130c7 |
15 | b66cca6 |
hex | 7c2b2a7 |
130200231 has 16 divisors (see below), whose sum is σ = 198585344. Its totient is φ = 74330784.
The previous prime is 130200221. The next prime is 130200247. The reversal of 130200231 is 132002031.
It is a happy number.
It is not a de Polignac number, because 130200231 - 215 = 130167463 is a prime.
It is a super-2 number, since 2×1302002312 = 33904200304906722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130200221) 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, 27705 + ... + 32061.
It is an arithmetic number, because the mean of its divisors is an integer number (12411584).
Almost surely, 2130200231 is an apocalyptic number.
130200231 is a deficient number, since it is larger than the sum of its proper divisors (68385113).
130200231 is a wasteful number, since it uses less digits than its factorization.
130200231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5790.
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 130200231 is about 11410.5315827090. The cubic root of 130200231 is about 506.8396530071.
Adding to 130200231 its reverse (132002031), we get a palindrome (262202262).
The spelling of 130200231 in words is "one hundred thirty million, two hundred thousand, two hundred thirty-one".
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