Base | Representation |
---|---|
bin | 1111100001010… |
… | …01101000010110 |
3 | 100001222112111212 |
4 | 13300221220112 |
5 | 231312201232 |
6 | 20530301422 |
7 | 3140426114 |
oct | 760515026 |
9 | 301875455 |
10 | 130193942 |
11 | 675446aa |
12 | 37727872 |
13 | 20c85b48 |
14 | 13410ab4 |
15 | b66aeb2 |
hex | 7c29a16 |
130193942 has 16 divisors (see below), whose sum is σ = 200848032. Its totient is φ = 63257280.
The previous prime is 130193941. The next prime is 130193969. The reversal of 130193942 is 249391031.
It is a junction number, because it is equal to n+sod(n) for n = 130193899 and 130193908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130193941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18548 + ... + 24584.
It is an arithmetic number, because the mean of its divisors is an integer number (12553002).
Almost surely, 2130193942 is an apocalyptic number.
130193942 is a deficient number, since it is larger than the sum of its proper divisors (70654090).
130193942 is a wasteful number, since it uses less digits than its factorization.
130193942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6343.
The product of its (nonzero) digits is 5832, while the sum is 32.
The square root of 130193942 is about 11410.2560006338. The cubic root of 130193942 is about 506.8314923306.
It can be divided in two parts, 13019 and 3942, that added together give a palindrome (16961).
The spelling of 130193942 in words is "one hundred thirty million, one hundred ninety-three thousand, nine hundred forty-two".
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