Base | Representation |
---|---|
bin | 1111100010001… |
… | …10011001011000 |
3 | 100002012112010210 |
4 | 13301012121120 |
5 | 231324434033 |
6 | 20533011120 |
7 | 3141426456 |
oct | 761063130 |
9 | 302175123 |
10 | 130311768 |
11 | 67615184 |
12 | 37783aa0 |
13 | 20cc7672 |
14 | 134419d6 |
15 | b690d63 |
hex | 7c46658 |
130311768 has 16 divisors (see below), whose sum is σ = 325779480. Its totient is φ = 43437248.
The previous prime is 130311751. The next prime is 130311773. The reversal of 130311768 is 867113031.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 2714805 + ... + 2714852.
Almost surely, 2130311768 is an apocalyptic number.
It is an amenable number.
130311768 is an abundant number, since it is smaller than the sum of its proper divisors (195467712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130311768 is a wasteful number, since it uses less digits than its factorization.
130311768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5429666 (or 5429662 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 130311768 is about 11415.4179949750. The cubic root of 130311768 is about 506.9843410232.
Adding to 130311768 its reverse (867113031), we get a palindrome (997424799).
The spelling of 130311768 in words is "one hundred thirty million, three hundred eleven thousand, seven hundred sixty-eight".
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