Base | Representation |
---|---|
bin | 1111100000111… |
… | …00111101011100 |
3 | 100001212220022201 |
4 | 13300130331130 |
5 | 231304021134 |
6 | 20525221244 |
7 | 3140121604 |
oct | 760347534 |
9 | 301786281 |
10 | 130142044 |
11 | 6750970a |
12 | 37701824 |
13 | 20c68336 |
14 | 133d9c04 |
15 | b65a914 |
hex | 7c1cf5c |
130142044 has 6 divisors (see below), whose sum is σ = 227748584. Its totient is φ = 65071020.
The previous prime is 130142041. The next prime is 130142069. The reversal of 130142044 is 440241031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130142041) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16267752 + ... + 16267759.
Almost surely, 2130142044 is an apocalyptic number.
It is an amenable number.
130142044 is a deficient number, since it is larger than the sum of its proper divisors (97606540).
130142044 is a wasteful number, since it uses less digits than its factorization.
130142044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32535515 (or 32535513 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 130142044 is about 11407.9815918505. The cubic root of 130142044 is about 506.7641388726.
Adding to 130142044 its reverse (440241031), we get a palindrome (570383075).
The spelling of 130142044 in words is "one hundred thirty million, one hundred forty-two thousand, forty-four".
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