Base | Representation |
---|---|
bin | 1111100001100… |
… | …00110001100001 |
3 | 100002001000122112 |
4 | 13300300301201 |
5 | 231314120301 |
6 | 20531045105 |
7 | 3140610323 |
oct | 760606141 |
9 | 302030575 |
10 | 130223201 |
11 | 67564689 |
12 | 37740795 |
13 | 20c96264 |
14 | 1341b613 |
15 | b6749bb |
hex | 7c30c61 |
130223201 has 4 divisors (see below), whose sum is σ = 130598832. Its totient is φ = 129847572.
The previous prime is 130223189. The next prime is 130223231. The reversal of 130223201 is 102322031.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 130223201 - 210 = 130222177 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (130223231) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187295 + ... + 187988.
It is an arithmetic number, because the mean of its divisors is an integer number (32649708).
Almost surely, 2130223201 is an apocalyptic number.
It is an amenable number.
130223201 is a deficient number, since it is larger than the sum of its proper divisors (375631).
130223201 is an equidigital number, since it uses as much as digits as its factorization.
130223201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 375630.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 130223201 is about 11411.5380646081. The cubic root of 130223201 is about 506.8694569026.
Adding to 130223201 its reverse (102322031), we get a palindrome (232545232).
The spelling of 130223201 in words is "one hundred thirty million, two hundred twenty-three thousand, two hundred one".
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