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2144143001 = 711132142001
BaseRepresentation
bin111111111001101…
…0000011010011001
312112102120202020202
41333303100122121
513342400034001
6552432231545
7104063625530
oct17763203231
95472522222
102144143001
11a00349410
124ba09b5b5
132822a5390
14164a9b317
15c838696b
hex7fcd0699

2144143001 has 16 divisors (see below), whose sum is σ = 2878850688. Its totient is φ = 1542240000.

The previous prime is 2144142997. The next prime is 2144143049. The reversal of 2144143001 is 1003414412.

It is not a de Polignac number, because 2144143001 - 22 = 2144142997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2144143061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1070000 + ... + 1072001.

It is an arithmetic number, because the mean of its divisors is an integer number (179928168).

Almost surely, 22144143001 is an apocalyptic number.

It is an amenable number.

2144143001 is a deficient number, since it is larger than the sum of its proper divisors (734707687).

2144143001 is a wasteful number, since it uses less digits than its factorization.

2144143001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142032.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2144143001 is about 46304.8917610224. The cubic root of 2144143001 is about 1289.4898130737.

Adding to 2144143001 its reverse (1003414412), we get a palindrome (3147557413).

The spelling of 2144143001 in words is "two billion, one hundred forty-four million, one hundred forty-three thousand, one".

Divisors: 1 7 11 13 77 91 143 1001 2142001 14994007 23562011 27846013 164934077 194922091 306306143 2144143001