Base | Representation |
---|---|
bin | 1111101010000… |
… | …10000110101110 |
3 | 100011010220101220 |
4 | 13311002012232 |
5 | 232110432031 |
6 | 21011044210 |
7 | 3153252342 |
oct | 765020656 |
9 | 304126356 |
10 | 131342766 |
11 | 68159845 |
12 | 37ba0666 |
13 | 21298a19 |
14 | 1362d622 |
15 | b7e6596 |
hex | 7d421ae |
131342766 has 8 divisors (see below), whose sum is σ = 262685544. Its totient is φ = 43780920.
The previous prime is 131342741. The next prime is 131342773. The reversal of 131342766 is 667243131.
It is a sphenic number, since it is the product of 3 distinct primes.
131342766 is an admirable number.
It is a super-3 number, since 3×1313427663 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10945225 + ... + 10945236.
It is an arithmetic number, because the mean of its divisors is an integer number (32835693).
Almost surely, 2131342766 is an apocalyptic number.
131342766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131342766 is a wasteful number, since it uses less digits than its factorization.
131342766 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21890466.
The product of its digits is 18144, while the sum is 33.
The square root of 131342766 is about 11460.4871624203. The cubic root of 131342766 is about 508.3178797655.
Adding to 131342766 its reverse (667243131), we get a palindrome (798585897).
The spelling of 131342766 in words is "one hundred thirty-one million, three hundred forty-two thousand, seven hundred sixty-six".
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