Base | Representation |
---|---|
bin | 1111100000000… |
… | …01111011101110 |
3 | 100001200021110122 |
4 | 13300001323232 |
5 | 231242000332 |
6 | 20523004542 |
7 | 3136151060 |
oct | 760017356 |
9 | 301607418 |
10 | 130031342 |
11 | 67443521 |
12 | 37669752 |
13 | 20c29b2c |
14 | 133ab730 |
15 | b637c12 |
hex | 7c01eee |
130031342 has 16 divisors (see below), whose sum is σ = 223096032. Its totient is φ = 55681440.
The previous prime is 130031333. The next prime is 130031381. The reversal of 130031342 is 243130031.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 130031342.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17792 + ... + 24012.
It is an arithmetic number, because the mean of its divisors is an integer number (13943502).
Almost surely, 2130031342 is an apocalyptic number.
130031342 is a deficient number, since it is larger than the sum of its proper divisors (93064690).
130031342 is a wasteful number, since it uses less digits than its factorization.
130031342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7723.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 130031342 is about 11403.1286057818. The cubic root of 130031342 is about 506.6204094620.
Adding to 130031342 its reverse (243130031), we get a palindrome (373161373).
The spelling of 130031342 in words is "one hundred thirty million, thirty-one thousand, three hundred forty-two".
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