Base | Representation |
---|---|
bin | 1111100001010… |
… | …11011010000111 |
3 | 100001222220111112 |
4 | 13300223122013 |
5 | 231312414343 |
6 | 20530355235 |
7 | 3140456255 |
oct | 760533207 |
9 | 301886445 |
10 | 130201223 |
11 | 6754a119 |
12 | 3772bb1b |
13 | 20c89259 |
14 | 134135d5 |
15 | b66d218 |
hex | 7c2b687 |
130201223 has 4 divisors (see below), whose sum is σ = 130303368. Its totient is φ = 130099080.
The previous prime is 130201219. The next prime is 130201237. The reversal of 130201223 is 322102031.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322102031 = 67 ⋅4807493.
It is a cyclic number.
It is not a de Polignac number, because 130201223 - 22 = 130201219 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 130201198 and 130201207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130201273) 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, 49136 + ... + 51717.
It is an arithmetic number, because the mean of its divisors is an integer number (32575842).
Almost surely, 2130201223 is an apocalyptic number.
130201223 is a deficient number, since it is larger than the sum of its proper divisors (102145).
130201223 is a wasteful number, since it uses less digits than its factorization.
130201223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102144.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 130201223 is about 11410.5750512408. The cubic root of 130201223 is about 506.8409402133.
Adding to 130201223 its reverse (322102031), we get a palindrome (452303254).
The spelling of 130201223 in words is "one hundred thirty million, two hundred one thousand, two hundred twenty-three".
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