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144440445344 = 2513347212609
BaseRepresentation
bin1000011010000101010…
…0100100100110100000
3111210211022011212121212
42012201110210212200
54331303223222334
6150204404005252
713302240346046
oct2064124444640
9453738155555
10144440445344
1156290958488
1223bb0990828
131080b816450
146dc3274396
153b55998ece
hex21a15249a0

144440445344 has 24 divisors (see below), whose sum is σ = 306241522020. Its totient is φ = 66664820736.

The previous prime is 144440445323. The next prime is 144440445361. The reversal of 144440445344 is 443544044441.

It can be written as a sum of positive squares in 2 ways, for example, as 140484035344 + 3956410000 = 374812^2 + 62900^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173605889 + ... + 173606720.

Almost surely, 2144440445344 is an apocalyptic number.

It is an amenable number.

144440445344 is an abundant number, since it is smaller than the sum of its proper divisors (161801076676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144440445344 is a wasteful number, since it uses less digits than its factorization.

144440445344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347212632 (or 347212624 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 41.

Adding to 144440445344 its reverse (443544044441), we get a palindrome (587984489785).

The spelling of 144440445344 in words is "one hundred forty-four billion, four hundred forty million, four hundred forty-five thousand, three hundred forty-four".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 347212609 694425218 1388850436 2777700872 4513763917 5555401744 9027527834 11110803488 18055055668 36110111336 72220222672 144440445344