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2144023012 = 2229148912413
BaseRepresentation
bin111111111001011…
…0011000111100100
312112102100122122201
41333302303013210
513342332214022
6552425504244
7104062615645
oct17762630744
95472318581
102144023012
11a0027724a
124ba042084
13282262891
14164a696cc
15c8361127
hex7fcb31e4

2144023012 has 24 divisors (see below), whose sum is σ = 3884340600. Its totient is φ = 1034267136.

The previous prime is 2144023009. The next prime is 2144023033. The reversal of 2144023012 is 2103204412.

It can be written as a sum of positive squares in 4 ways, for example, as 47665216 + 2096357796 = 6904^2 + 45786^2 .

It is an unprimeable number.

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, 166518 + ... + 178930.

It is an arithmetic number, because the mean of its divisors is an integer number (161847525).

Almost surely, 22144023012 is an apocalyptic number.

It is an amenable number.

2144023012 is a deficient number, since it is larger than the sum of its proper divisors (1740317588).

2144023012 is a wasteful number, since it uses less digits than its factorization.

2144023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13935 (or 13933 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2144023012 is about 46303.5961022467. The cubic root of 2144023012 is about 1289.4657587888.

Adding to 2144023012 its reverse (2103204412), we get a palindrome (4247227424).

The spelling of 2144023012 in words is "two billion, one hundred forty-four million, twenty-three thousand, twelve".

Divisors: 1 2 4 29 58 116 1489 2978 5956 12413 24826 43181 49652 86362 172724 359977 719954 1439908 18482957 36965914 73931828 536005753 1072011506 2144023012