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2142130403 = 72411066267
BaseRepresentation
bin111111110101110…
…0101000011100011
312112021210111111002
41333223211003203
513341341133103
6552321142215
7104040544100
oct17753450343
95467714432
102142130403
119aa1a4306
124b948a96b
13281a4c2aa
141646d5aa7
15c80da488
hex7fae50e3

2142130403 has 12 divisors (see below), whose sum is σ = 2552645592. Its totient is φ = 1791326880.

The previous prime is 2142130379. The next prime is 2142130481. The reversal of 2142130403 is 3040312412.

It is not a de Polignac number, because 2142130403 - 212 = 2142126307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2142130103) 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 11 ways as a sum of consecutive naturals, for example, 531125 + ... + 535142.

It is an arithmetic number, because the mean of its divisors is an integer number (212720466).

Almost surely, 22142130403 is an apocalyptic number.

2142130403 is a deficient number, since it is larger than the sum of its proper divisors (410515189).

2142130403 is a wasteful number, since it uses less digits than its factorization.

2142130403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066322 (or 1066315 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2142130403 is about 46283.1546353530. The cubic root of 2142130403 is about 1289.0862272676.

Adding to 2142130403 its reverse (3040312412), we get a palindrome (5182442815).

The spelling of 2142130403 in words is "two billion, one hundred forty-two million, one hundred thirty thousand, four hundred three".

Divisors: 1 7 41 49 287 2009 1066267 7463869 43716947 52247083 306018629 2142130403