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2002143216 = 243131318407
BaseRepresentation
bin111011101010110…
…0100011111110000
312011112101102011110
41313111210133300
513100022040331
6530400513320
7100420636143
oct16725443760
95145342143
102002143216
11938180917
1247a61b840
1325ba47a38
1414dc9605a
15bab87946
hex775647f0

2002143216 has 40 divisors (see below), whose sum is σ = 5211702144. Its totient is φ = 662284480.

The previous prime is 2002143203. The next prime is 2002143217. The reversal of 2002143216 is 6123412002.

It is a junction number, because it is equal to n+sod(n) for n = 2002143192 and 2002143201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002143217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152916 + ... + 165491.

Almost surely, 22002143216 is an apocalyptic number.

It is an amenable number.

2002143216 is an abundant number, since it is smaller than the sum of its proper divisors (3209558928).

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

2002143216 is a wasteful number, since it uses less digits than its factorization.

2002143216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318549 (or 318543 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2002143216 is about 44745.3150173289. The cubic root of 2002143216 is about 1260.3709363913.

Adding to 2002143216 its reverse (6123412002), we get a palindrome (8125555218).

The spelling of 2002143216 in words is "two billion, two million, one hundred forty-three thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 48 131 262 393 524 786 1048 1572 2096 3144 6288 318407 636814 955221 1273628 1910442 2547256 3820884 5094512 7641768 15283536 41711317 83422634 125133951 166845268 250267902 333690536 500535804 667381072 1001071608 2002143216