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2144140999 = 711137130169
BaseRepresentation
bin111111111001100…
…1111111011000111
312112102120122111121
41333303033323013
513342400002444
6552432214411
7104063616640
oct17763177307
95472518447
102144140999
11a00347960
124ba09a407
132822a44b0
14164a9a6c7
15c8386084
hex7fccfec7

2144140999 has 32 divisors (see below), whose sum is σ = 2919490560. Its totient is φ = 1520467200.

The previous prime is 2144140991. The next prime is 2144141039. The reversal of 2144140999 is 9990414412.

It is not a de Polignac number, because 2144140999 - 23 = 2144140991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144140991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55987 + ... + 86155.

It is an arithmetic number, because the mean of its divisors is an integer number (91234080).

Almost surely, 22144140999 is an apocalyptic number.

2144140999 is a deficient number, since it is larger than the sum of its proper divisors (775349561).

2144140999 is a wasteful number, since it uses less digits than its factorization.

2144140999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30271.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 2144140999 is about 46304.8701434309. The cubic root of 2144140999 is about 1289.4894117386.

The spelling of 2144140999 in words is "two billion, one hundred forty-four million, one hundred forty thousand, nine hundred ninety-nine".

Divisors: 1 7 11 13 71 77 91 143 497 781 923 1001 5467 6461 10153 30169 71071 211183 331859 392197 2141999 2323013 2745379 4314167 14993993 23561989 27845987 30199169 164933923 194921909 306305857 2144140999