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2144043441 = 32238227049
BaseRepresentation
bin111111111001011…
…1000000110110001
312112102101200200100
41333302320012301
513342333342231
6552430143013
7104063032341
oct17762700661
95472350610
102144043441
11a00290631
124ba051a69
1328226bc77
14164a72d21
15c83671e6
hex7fcb81b1

2144043441 has 6 divisors (see below), whose sum is σ = 3096951650. Its totient is φ = 1429362288.

The previous prime is 2144043439. The next prime is 2144043449. The reversal of 2144043441 is 1443404412.

2144043441 is a `hidden beast` number, since 214 + 4 + 0 + 4 + 3 + 441 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1244043441 + 900000000 = 35271^2 + 30000^2 .

It is not a de Polignac number, because 2144043441 - 21 = 2144043439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144043449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119113516 + ... + 119113533.

Almost surely, 22144043441 is an apocalyptic number.

It is an amenable number.

2144043441 is a deficient number, since it is larger than the sum of its proper divisors (952908209).

2144043441 is a wasteful number, since it uses less digits than its factorization.

2144043441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238227055 (or 238227052 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 2144043441 is about 46303.8167001382. The cubic root of 2144043441 is about 1289.4698542692.

Adding to 2144043441 its reverse (1443404412), we get a palindrome (3587447853).

The spelling of 2144043441 in words is "two billion, one hundred forty-four million, forty-three thousand, four hundred forty-one".

Divisors: 1 3 9 238227049 714681147 2144043441