Base | Representation |
---|---|
bin | 111101111000010010… |
… | …1100000000001100101 |
3 | 110201000000021210112222 |
4 | 1323300211200001211 |
5 | 4134122124144341 |
6 | 141014030522125 |
7 | 12413011050335 |
oct | 1736045400145 |
9 | 421000253488 |
10 | 132885381221 |
11 | 513a137380a |
12 | 21907066345 |
13 | c6b98c75b8 |
14 | 66087970c5 |
15 | 36cb31644b |
hex | 1ef0960065 |
132885381221 has 2 divisors, whose sum is σ = 132885381222. Its totient is φ = 132885381220.
The previous prime is 132885381217. The next prime is 132885381259. The reversal of 132885381221 is 122183588231.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 98841072100 + 34044309121 = 314390^2 + 184511^2 .
It is an emirp because it is prime and its reverse (122183588231) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 132885381221 - 22 = 132885381217 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (132885381271) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66442690610 + 66442690611.
It is an arithmetic number, because the mean of its divisors is an integer number (66442690611).
Almost surely, 2132885381221 is an apocalyptic number.
It is an amenable number.
132885381221 is a deficient number, since it is larger than the sum of its proper divisors (1).
132885381221 is an equidigital number, since it uses as much as digits as its factorization.
132885381221 is an evil number, because the sum of its binary digits is even.
The product of its digits is 184320, while the sum is 44.
The spelling of 132885381221 in words is "one hundred thirty-two billion, eight hundred eighty-five million, three hundred eighty-one thousand, two hundred twenty-one".
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