Base | Representation |
---|---|
bin | 1111110101000… |
… | …10101010110111 |
3 | 100020212021100021 |
4 | 13322202222313 |
5 | 232443134441 |
6 | 21102030011 |
7 | 3201445510 |
oct | 772425267 |
9 | 306767307 |
10 | 132786871 |
11 | 68a55818 |
12 | 38578307 |
13 | 21683119 |
14 | 138c7a07 |
15 | b9ce3d1 |
hex | 7ea2ab7 |
132786871 has 4 divisors (see below), whose sum is σ = 151756432. Its totient is φ = 113817312.
The previous prime is 132786869. The next prime is 132786883. The reversal of 132786871 is 178687231.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 178687231 = 43 ⋅4155517.
It is not a de Polignac number, because 132786871 - 21 = 132786869 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132786851) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9484770 + ... + 9484783.
It is an arithmetic number, because the mean of its divisors is an integer number (37939108).
Almost surely, 2132786871 is an apocalyptic number.
132786871 is a deficient number, since it is larger than the sum of its proper divisors (18969561).
132786871 is an equidigital number, since it uses as much as digits as its factorization.
132786871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18969560.
The product of its digits is 112896, while the sum is 43.
The square root of 132786871 is about 11523.3185758270. The cubic root of 132786871 is about 510.1740672006.
The spelling of 132786871 in words is "one hundred thirty-two million, seven hundred eighty-six thousand, eight hundred seventy-one".
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