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2144364443 = 13212688547
BaseRepresentation
bin111111111010000…
…0110011110011011
312112110000000000022
41333310012132123
513342424130233
6552441101055
7104065540244
oct17764063633
95473000008
102144364443
11a0048a821
124ba18778b
13282352100
14164b17ccb
15c83cc398
hex7fd0679b

2144364443 has 6 divisors (see below), whose sum is σ = 2322004284. Its totient is φ = 1979413176.

The previous prime is 2144364437. The next prime is 2144364461. The reversal of 2144364443 is 3444634412.

It is a happy number.

It is not a de Polignac number, because 2144364443 - 218 = 2144102299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144364403) 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, 6344105 + ... + 6344442.

It is an arithmetic number, because the mean of its divisors is an integer number (387000714).

Almost surely, 22144364443 is an apocalyptic number.

2144364443 is a deficient number, since it is larger than the sum of its proper divisors (177639841).

2144364443 is a wasteful number, since it uses less digits than its factorization.

2144364443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12688573 (or 12688560 counting only the distinct ones).

The product of its digits is 110592, while the sum is 35.

The square root of 2144364443 is about 46307.2828289460. The cubic root of 2144364443 is about 1289.5342033613.

Adding to 2144364443 its reverse (3444634412), we get a palindrome (5588998855).

The spelling of 2144364443 in words is "two billion, one hundred forty-four million, three hundred sixty-four thousand, four hundred forty-three".

Divisors: 1 13 169 12688547 164951111 2144364443