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132885381221 is a prime number
BaseRepresentation
bin111101111000010010…
…1100000000001100101
3110201000000021210112222
41323300211200001211
54134122124144341
6141014030522125
712413011050335
oct1736045400145
9421000253488
10132885381221
11513a137380a
1221907066345
13c6b98c75b8
1466087970c5
1536cb31644b
hex1ef0960065

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".