Base | Representation |
---|---|
bin | 1111100001011… |
… | …00101011010110 |
3 | 100002000011122002 |
4 | 13300230223112 |
5 | 231313101142 |
6 | 20530435302 |
7 | 3140510363 |
oct | 760545326 |
9 | 302004562 |
10 | 130206422 |
11 | 67553015 |
12 | 37732b32 |
13 | 20c8b728 |
14 | 1341546a |
15 | b66ea32 |
hex | 7c2cad6 |
130206422 has 4 divisors (see below), whose sum is σ = 195309636. Its totient is φ = 65103210.
The previous prime is 130206421. The next prime is 130206493. The reversal of 130206422 is 224602031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 224602031 = 1811 ⋅124021.
It is a junction number, because it is equal to n+sod(n) for n = 130206394 and 130206403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130206421) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32551604 + ... + 32551607.
It is an arithmetic number, because the mean of its divisors is an integer number (48827409).
Almost surely, 2130206422 is an apocalyptic number.
130206422 is a deficient number, since it is larger than the sum of its proper divisors (65103214).
130206422 is an equidigital number, since it uses as much as digits as its factorization.
130206422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65103213.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 130206422 is about 11410.8028639531. The cubic root of 130206422 is about 506.8476862610.
Adding to 130206422 its reverse (224602031), we get a palindrome (354808453).
The spelling of 130206422 in words is "one hundred thirty million, two hundred six thousand, four hundred twenty-two".
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