Base | Representation |
---|---|
bin | 1111100000110… |
… | …00010111101100 |
3 | 100001211221112102 |
4 | 13300120113230 |
5 | 231302420434 |
6 | 20524554232 |
7 | 3140013026 |
oct | 760302754 |
9 | 301757472 |
10 | 130123244 |
11 | 674a6579 |
12 | 376b2978 |
13 | 20c5c904 |
14 | 133d3016 |
15 | b65507e |
hex | 7c185ec |
130123244 has 18 divisors (see below), whose sum is σ = 235305252. Its totient is φ = 62961000.
The previous prime is 130123241. The next prime is 130123247. The reversal of 130123244 is 442321031.
It is an interprime number because it is at equal distance from previous prime (130123241) and next prime (130123247).
It is not an unprimeable number, because it can be changed into a prime (130123241) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13082 + ... + 20769.
It is an arithmetic number, because the mean of its divisors is an integer number (13072514).
Almost surely, 2130123244 is an apocalyptic number.
It is an amenable number.
130123244 is a deficient number, since it is larger than the sum of its proper divisors (105182008).
130123244 is a wasteful number, since it uses less digits than its factorization.
130123244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33917 (or 33884 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 130123244 is about 11407.1575775914. The cubic root of 130123244 is about 506.7397357299.
Adding to 130123244 its reverse (442321031), we get a palindrome (572444275).
The spelling of 130123244 in words is "one hundred thirty million, one hundred twenty-three thousand, two hundred forty-four".
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