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1440550441541 = 1631718828471
BaseRepresentation
bin10100111101100111011…
…111110101001001000101
312002201022102210122211002
4110331213133311021011
5142100221403112131
63021440231223045
7206035116501461
oct24754737651105
95081272718732
101440550441541
11505a301951a2
121b3231517a85
13a5ac6a22893
144da19d3d4a1
15277131256cb
hex14f677f5245

1440550441541 has 4 divisors (see below), whose sum is σ = 1440559433184. Its totient is φ = 1440541449900.

The previous prime is 1440550441531. The next prime is 1440550441609. The reversal of 1440550441541 is 1451440550441.

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 1440550441541 - 210 = 1440550440517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1440550441495 and 1440550441504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440550441531) 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, 4251065 + ... + 4577406.

It is an arithmetic number, because the mean of its divisors is an integer number (360139858296).

Almost surely, 21440550441541 is an apocalyptic number.

It is an amenable number.

1440550441541 is a deficient number, since it is larger than the sum of its proper divisors (8991643).

1440550441541 is an equidigital number, since it uses as much as digits as its factorization.

1440550441541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8991642.

The product of its (nonzero) digits is 128000, while the sum is 38.

Adding to 1440550441541 its reverse (1451440550441), we get a palindrome (2891990991982).

The spelling of 1440550441541 in words is "one trillion, four hundred forty billion, five hundred fifty million, four hundred forty-one thousand, five hundred forty-one".

Divisors: 1 163171 8828471 1440550441541