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132131421242 = 266065710621
BaseRepresentation
bin111101100001110100…
…1010111110000111010
3110122001110120122220022
41323003221113300322
54131101120434432
6140411134530442
712355224356312
oct1730351276072
9418043518808
10132131421242
1151044819497
1221736666a22
13c5c9644532
1465765b4442
153685035b12
hex1ec3a57c3a

132131421242 has 4 divisors (see below), whose sum is σ = 198197131866. Its totient is φ = 66065710620.

The previous prime is 132131421239. The next prime is 132131421271. The reversal of 132131421242 is 242124131231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242124131231 = 349693765419.

It can be written as a sum of positive squares in only one way, i.e., 83920875481 + 48210545761 = 289691^2 + 219569^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33032855309 + ... + 33032855312.

Almost surely, 2132131421242 is an apocalyptic number.

132131421242 is a deficient number, since it is larger than the sum of its proper divisors (66065710624).

132131421242 is an equidigital number, since it uses as much as digits as its factorization.

132131421242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66065710623.

The product of its digits is 2304, while the sum is 26.

Adding to 132131421242 its reverse (242124131231), we get a palindrome (374255552473).

The spelling of 132131421242 in words is "one hundred thirty-two billion, one hundred thirty-one million, four hundred twenty-one thousand, two hundred forty-two".

Divisors: 1 2 66065710621 132131421242