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2143200334 = 211631154387
BaseRepresentation
bin111111110111110…
…1010010001001110
312112100210212011011
41333233222101032
513342124402314
6552400115434
7104052621322
oct17757522116
95470725134
102143200334
119aa865150
124b9905b7a
132820352a2
141648d3982
15c824c4c4
hex7fbea44e

2143200334 has 16 divisors (see below), whose sum is σ = 3512635776. Its totient is φ = 972631800.

The previous prime is 2143200331. The next prime is 2143200343. The reversal of 2143200334 is 4330023412.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143200331) 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, 63312 + ... + 91075.

It is an arithmetic number, because the mean of its divisors is an integer number (219539736).

Almost surely, 22143200334 is an apocalyptic number.

2143200334 is a deficient number, since it is larger than the sum of its proper divisors (1369435442).

2143200334 is a wasteful number, since it uses less digits than its factorization.

2143200334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155031.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2143200334 is about 46294.7117282309. The cubic root of 2143200334 is about 1289.3008117375.

Adding to 2143200334 its reverse (4330023412), we get a palindrome (6473223746).

The spelling of 2143200334 in words is "two billion, one hundred forty-three million, two hundred thousand, three hundred thirty-four".

Divisors: 1 2 11 22 631 1262 6941 13882 154387 308774 1698257 3396514 97418197 194836394 1071600167 2143200334