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44081127860813 = 431025142508391
BaseRepresentation
bin10100000010111011011111…
…11101111010101001001101
312210002010002121000001102022
422001131233331322221031
521234211122213021223
6233430331321535525
712166520304353321
oct1201355775725115
9183063077001368
1044081127860813
111305577953729a
124b3b2746445a5
131b79aa9082064
14ac57762a5981
155169b81d1ac8
hex28176ff7aa4d

44081127860813 has 4 divisors (see below), whose sum is σ = 45106270369248. Its totient is φ = 43055985352380.

The previous prime is 44081127860753. The next prime is 44081127860867. The reversal of 44081127860813 is 31806872118044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44081127860813 - 240 = 42981616233037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44081127862813) 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, 512571254153 + ... + 512571254238.

It is an arithmetic number, because the mean of its divisors is an integer number (11276567592312).

Almost surely, 244081127860813 is an apocalyptic number.

44081127860813 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

44081127860813 is a deficient number, since it is larger than the sum of its proper divisors (1025142508435).

44081127860813 is a wasteful number, since it uses less digits than its factorization.

44081127860813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025142508434.

The product of its (nonzero) digits is 2064384, while the sum is 53.

Adding to 44081127860813 its reverse (31806872118044), we get a palindrome (75887999978857).

The spelling of 44081127860813 in words is "forty-four trillion, eighty-one billion, one hundred twenty-seven million, eight hundred sixty thousand, eight hundred thirteen".

Divisors: 1 43 1025142508391 44081127860813