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2143932205 = 52143200087
BaseRepresentation
bin111111111001001…
…1100111100101101
312112102012001002111
41333302130330231
513342321312310
6552423524021
7104062060132
oct17762347455
95472161074
102143932205
11a00214aa8
124b9bb9611
1328223044c
14164a44589
15c834428a
hex7fc9cf2d

2143932205 has 8 divisors (see below), whose sum is σ = 2573932032. Its totient is φ = 1714336848.

The previous prime is 2143932199. The next prime is 2143932209. The reversal of 2143932205 is 5022393412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2143932205 - 25 = 2143932173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143932209) 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, 89329 + ... + 110758.

It is an arithmetic number, because the mean of its divisors is an integer number (321741504).

Almost surely, 22143932205 is an apocalyptic number.

It is an amenable number.

2143932205 is a deficient number, since it is larger than the sum of its proper divisors (429999827).

2143932205 is a wasteful number, since it uses less digits than its factorization.

2143932205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202235.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2143932205 is about 46302.6155308747. The cubic root of 2143932205 is about 1289.4475540448.

The spelling of 2143932205 in words is "two billion, one hundred forty-three million, nine hundred thirty-two thousand, two hundred five".

Divisors: 1 5 2143 10715 200087 1000435 428786441 2143932205