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44121340141 = 404291091329
BaseRepresentation
bin101001000101110101…
…100011100011101101
311012212220002022022221
4221011311203203231
51210330030341031
632134041235341
73121240126504
oct510565434355
9135786068287
1044121340141
111779138997a
128674192b51
134211b79b78
1421c7aa983b
151233729a11
hexa45d638ed

44121340141 has 4 divisors (see below), whose sum is σ = 44122471900. Its totient is φ = 44120208384.

The previous prime is 44121340097. The next prime is 44121340163. The reversal of 44121340141 is 14104312144.

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 33434122500 + 10687217641 = 182850^2 + 103379^2 .

It is a cyclic number.

It is not a de Polignac number, because 44121340141 - 231 = 41973856493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44121340741) 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 in 3 ways as a sum of consecutive naturals, for example, 505236 + ... + 586093.

It is an arithmetic number, because the mean of its divisors is an integer number (11030617975).

Almost surely, 244121340141 is an apocalyptic number.

It is an amenable number.

44121340141 is a deficient number, since it is larger than the sum of its proper divisors (1131759).

44121340141 is a wasteful number, since it uses less digits than its factorization.

44121340141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131758.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 44121340141 its reverse (14104312144), we get a palindrome (58225652285).

The spelling of 44121340141 in words is "forty-four billion, one hundred twenty-one million, three hundred forty thousand, one hundred forty-one".

Divisors: 1 40429 1091329 44121340141