Base | Representation |
---|---|
bin | 1111110000000… |
… | …10000000010111 |
3 | 100012121211121221 |
4 | 13320002000113 |
5 | 232311110131 |
6 | 21035551211 |
7 | 3163035064 |
oct | 770020027 |
9 | 305554557 |
10 | 132128791 |
11 | 68646353 |
12 | 382bb507 |
13 | 214b2722 |
14 | 13795c6b |
15 | b8ee411 |
hex | 7e02017 |
132128791 has 2 divisors, whose sum is σ = 132128792. Its totient is φ = 132128790.
The previous prime is 132128783. The next prime is 132128807. The reversal of 132128791 is 197821231.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 132128791 - 23 = 132128783 is a prime.
It is a super-2 number, since 2×1321287912 = 34916034822243362, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (132128701) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66064395 + 66064396.
It is an arithmetic number, because the mean of its divisors is an integer number (66064396).
Almost surely, 2132128791 is an apocalyptic number.
132128791 is a deficient number, since it is larger than the sum of its proper divisors (1).
132128791 is an equidigital number, since it uses as much as digits as its factorization.
132128791 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 6048, while the sum is 34.
The square root of 132128791 is about 11494.7288354271. The cubic root of 132128791 is about 509.3298785530.
The spelling of 132128791 in words is "one hundred thirty-two million, one hundred twenty-eight thousand, seven hundred ninety-one".
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