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2144421302 = 21072210651
BaseRepresentation
bin111111111010001…
…0100010110110110
312112110002220000012
41333310110112312
513342432440202
6552442220222
7104066165102
oct17764242666
95473086005
102144421302
11a00519511
124ba1b4672
13282371c5a
14164b30902
15c83de152
hex7fd145b6

2144421302 has 4 divisors (see below), whose sum is σ = 3216631956. Its totient is φ = 1072210650.

The previous prime is 2144421299. The next prime is 2144421313. The reversal of 2144421302 is 2031244412.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 536105324 + ... + 536105327.

It is an arithmetic number, because the mean of its divisors is an integer number (804157989).

Almost surely, 22144421302 is an apocalyptic number.

2144421302 is a deficient number, since it is larger than the sum of its proper divisors (1072210654).

2144421302 is a wasteful number, since it uses less digits than its factorization.

2144421302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072210653.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2144421302 is about 46307.8967563849. The cubic root of 2144421302 is about 1289.5456008296.

Adding to 2144421302 its reverse (2031244412), we get a palindrome (4175665714).

The spelling of 2144421302 in words is "two billion, one hundred forty-four million, four hundred twenty-one thousand, three hundred two".

Divisors: 1 2 1072210651 2144421302