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120445132018 = 260222566009
BaseRepresentation
bin111000000101100010…
…1101101110011110010
3102111220000202122211111
41300023011231303302
53433132423211033
6131155353103534
711462512505251
oct1601305556362
9374800678744
10120445132018
1147098156422
121b4149b7baa
13b48649b3b3
145b884d8798
1531ee0d17cd
hex1c0b16dcf2

120445132018 has 4 divisors (see below), whose sum is σ = 180667698030. Its totient is φ = 60222566008.

The previous prime is 120445132007. The next prime is 120445132019. The reversal of 120445132018 is 810231544021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 118981533969 + 1463598049 = 344937^2 + 38257^2 .

It is not an unprimeable number, because it can be changed into a prime (120445132019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30111283003 + ... + 30111283006.

Almost surely, 2120445132018 is an apocalyptic number.

120445132018 is a deficient number, since it is larger than the sum of its proper divisors (60222566012).

120445132018 is an equidigital number, since it uses as much as digits as its factorization.

120445132018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60222566011.

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 120445132018 its reverse (810231544021), we get a palindrome (930676676039).

The spelling of 120445132018 in words is "one hundred twenty billion, four hundred forty-five million, one hundred thirty-two thousand, eighteen".

Divisors: 1 2 60222566009 120445132018