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2006323143 = 311223594073
BaseRepresentation
bin111011110010110…
…0000111111000111
312011211020202221120
41313211200333013
513102104320033
6531030245023
7100501315416
oct16745407707
95154222846
102006323143
1193a576300
1247bab6773
1325c87c476
1415066347d
15bb2111b3
hex77960fc7

2006323143 has 48 divisors (see below), whose sum is σ = 3121009920. Its totient is φ = 1143091840.

The previous prime is 2006323141. The next prime is 2006323181. The reversal of 2006323143 is 3413236002.

It is not a de Polignac number, because 2006323143 - 21 = 2006323141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006323141) 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 47 ways as a sum of consecutive naturals, for example, 490555 + ... + 494627.

It is an arithmetic number, because the mean of its divisors is an integer number (65021040).

Almost surely, 22006323143 is an apocalyptic number.

2006323143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2006323143 is a deficient number, since it is larger than the sum of its proper divisors (1114686777).

2006323143 is a wasteful number, since it uses less digits than its factorization.

2006323143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4180 (or 4169 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 2006323143 is about 44791.9986493124. The cubic root of 2006323143 is about 1261.2474298882.

Adding to 2006323143 its reverse (3413236002), we get a palindrome (5419559145).

The spelling of 2006323143 in words is "two billion, six million, three hundred twenty-three thousand, one hundred forty-three".

Divisors: 1 3 11 23 33 59 69 121 177 253 363 649 759 1357 1947 2783 4071 4073 7139 8349 12219 14927 21417 44781 44803 93679 134409 164197 240307 281037 492591 492833 720921 1030469 1478499 2643377 3091407 5527061 7930131 11335159 16581183 29077147 34005477 60797671 87231441 182393013 668774381 2006323143