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2144512302 = 232789128153
BaseRepresentation
bin111111111010010…
…1010100100101110
312112110021111211120
41333310222210232
513342443343202
6552444201410
7104100024312
oct17764524456
95473244746
102144512302
11a00580919
124ba239266
132823a44ba
14164b55b42
15c840b0bc
hex7fd2a92e

2144512302 has 16 divisors (see below), whose sum is σ = 4290595920. Its totient is φ = 714575552.

The previous prime is 2144512289. The next prime is 2144512303. The reversal of 2144512302 is 2032154412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144512303) 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, 47343 + ... + 80810.

It is an arithmetic number, because the mean of its divisors is an integer number (268162245).

Almost surely, 22144512302 is an apocalyptic number.

2144512302 is an abundant number, since it is smaller than the sum of its proper divisors (2146083618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2144512302 is a wasteful number, since it uses less digits than its factorization.

2144512302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130947.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2144512302 is about 46308.8792997628. The cubic root of 2144512302 is about 1289.5638414912.

Adding to 2144512302 its reverse (2032154412), we get a palindrome (4176666714).

The spelling of 2144512302 in words is "two billion, one hundred forty-four million, five hundred twelve thousand, three hundred two".

Divisors: 1 2 3 6 2789 5578 8367 16734 128153 256306 384459 768918 357418717 714837434 1072256151 2144512302