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2144252347 = 17891417219
BaseRepresentation
bin111111111001110…
…1011000110111011
312112102210022020121
41333303223012323
513342412033342
6552434434111
7104064562366
oct17763530673
95472708217
102144252347
11a00413586
124ba132937
13282313093
14164ac90dd
15c83a9067
hex7fceb1bb

2144252347 has 8 divisors (see below), whose sum is σ = 2295896400. Its totient is φ = 1995442944.

The previous prime is 2144252339. The next prime is 2144252359. The reversal of 2144252347 is 7432524412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2144252347 - 23 = 2144252339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144256347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707097 + ... + 710122.

It is an arithmetic number, because the mean of its divisors is an integer number (286987050).

Almost surely, 22144252347 is an apocalyptic number.

2144252347 is a deficient number, since it is larger than the sum of its proper divisors (151644053).

2144252347 is a wasteful number, since it uses less digits than its factorization.

2144252347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417325.

The product of its digits is 53760, while the sum is 34.

The square root of 2144252347 is about 46306.0724635549. The cubic root of 2144252347 is about 1289.5117329668.

Adding to 2144252347 its reverse (7432524412), we get a palindrome (9576776759).

The spelling of 2144252347 in words is "two billion, one hundred forty-four million, two hundred fifty-two thousand, three hundred forty-seven".

Divisors: 1 17 89 1513 1417219 24092723 126132491 2144252347