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2144144023 = 71718018017
BaseRepresentation
bin111111111001101…
…0000101010010111
312112102120210122121
41333303100222113
513342400102043
6552432240411
7104063631520
oct17763205227
95472523577
102144144023
11a0034a15a
124ba0a0107
132822a5998
14164a9b847
15c8386ded
hex7fcd0a97

2144144023 has 8 divisors (see below), whose sum is σ = 2594594592. Its totient is φ = 1729729536.

The previous prime is 2144144021. The next prime is 2144144027. The reversal of 2144144023 is 3204414412.

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 2144144023 - 21 = 2144144021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144144021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9008890 + ... + 9009127.

It is an arithmetic number, because the mean of its divisors is an integer number (324324324).

Almost surely, 22144144023 is an apocalyptic number.

2144144023 is a deficient number, since it is larger than the sum of its proper divisors (450450569).

2144144023 is a wasteful number, since it uses less digits than its factorization.

2144144023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18018041.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 2144144023 is about 46304.9027965722. The cubic root of 2144144023 is about 1289.4900179509.

Adding to 2144144023 its reverse (3204414412), we get a palindrome (5348558435).

The spelling of 2144144023 in words is "two billion, one hundred forty-four million, one hundred forty-four thousand, twenty-three".

Divisors: 1 7 17 119 18018017 126126119 306306289 2144144023