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144222620041 = 370573891913
BaseRepresentation
bin1000011001010001010…
…1101000100110001001
3111210021010022012111001
42012110111220212021
54330331442320131
6150131023135001
713263654020623
oct2062425504611
9453233265431
10144222620041
1156189a00075
1223b4ba44461
13107a565a836
146da2371c13
153b417bd261
hex2194568989

144222620041 has 4 divisors (see below), whose sum is σ = 144226549012. Its totient is φ = 144218691072.

The previous prime is 144222620029. The next prime is 144222620051. The reversal of 144222620041 is 140026222441.

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

It can be written as a sum of positive squares in 2 ways, for example, as 82716636025 + 61505984016 = 287605^2 + 248004^2 .

It is a cyclic number.

It is not a de Polignac number, because 144222620041 - 27 = 144222619913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144222619991 and 144222620009.

It is not an unprimeable number, because it can be changed into a prime (144222620021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1908900 + ... + 1983013.

It is an arithmetic number, because the mean of its divisors is an integer number (36056637253).

Almost surely, 2144222620041 is an apocalyptic number.

It is an amenable number.

144222620041 is a deficient number, since it is larger than the sum of its proper divisors (3928971).

144222620041 is an equidigital number, since it uses as much as digits as its factorization.

144222620041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928970.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 144222620041 its reverse (140026222441), we get a palindrome (284248842482).

The spelling of 144222620041 in words is "one hundred forty-four billion, two hundred twenty-two million, six hundred twenty thousand, forty-one".

Divisors: 1 37057 3891913 144222620041