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144252222005 = 528850444401
BaseRepresentation
bin1000011001011000011…
…0100011101000110101
3111210100012000010202002
42012112012203220311
54330412032101010
6150134001425045
713264463441003
oct2062606435065
9453305003662
10144252222005
11561a4689501
1223b5993b185
13107ab8235a8
146da6279a73
153b441b91a5
hex21961a3a35

144252222005 has 4 divisors (see below), whose sum is σ = 173102666412. Its totient is φ = 115401777600.

The previous prime is 144252221969. The next prime is 144252222041. The reversal of 144252222005 is 500222252441.

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: 500222252441 = 1165314292611.

It is an interprime number because it is at equal distance from previous prime (144252221969) and next prime (144252222041).

It can be written as a sum of positive squares in 2 ways, for example, as 34012949476 + 110239272529 = 184426^2 + 332023^2 .

It is not a de Polignac number, because 144252222005 - 218 = 144251959861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14425222196 + ... + 14425222205.

It is an arithmetic number, because the mean of its divisors is an integer number (43275666603).

Almost surely, 2144252222005 is an apocalyptic number.

It is an amenable number.

144252222005 is a deficient number, since it is larger than the sum of its proper divisors (28850444407).

144252222005 is an equidigital number, since it uses as much as digits as its factorization.

144252222005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28850444406.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 144252222005 its reverse (500222252441), we get a palindrome (644474474446).

The spelling of 144252222005 in words is "one hundred forty-four billion, two hundred fifty-two million, two hundred twenty-two thousand, five".

Divisors: 1 5 28850444401 144252222005