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12189320143 = 7112132348131
BaseRepresentation
bin10110101101000101…
…00100001111001111
31011110111100121202121
423112202210033033
5144430431221033
65333311233411
7611030340340
oct132642441717
934414317677
1012189320143
11519560a700
122442218867
1311c344c990
14838c200c7
154b51ba62d
hex2d68a43cf

12189320143 has 48 divisors (see below), whose sum is σ = 17207382528. Its totient is φ = 8386171200.

The previous prime is 12189320119. The next prime is 12189320149. The reversal of 12189320143 is 34102398121.

It is a happy number.

It is not a de Polignac number, because 12189320143 - 229 = 11652449231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12189320099 and 12189320108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12189320149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 229188 + ... + 277318.

It is an arithmetic number, because the mean of its divisors is an integer number (358487136).

Almost surely, 212189320143 is an apocalyptic number.

12189320143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12189320143 is a deficient number, since it is larger than the sum of its proper divisors (5018062385).

12189320143 is a wasteful number, since it uses less digits than its factorization.

12189320143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48196 (or 48185 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 12189320143 in words is "twelve billion, one hundred eighty-nine million, three hundred twenty thousand, one hundred forty-three".

Divisors: 1 7 11 13 23 77 91 121 143 161 253 299 847 1001 1573 1771 2093 2783 3289 11011 19481 23023 36179 48131 253253 336917 529441 625703 1107013 3706087 4379921 5823851 6882733 7749091 12177143 14391169 40766957 48179131 75710063 85240001 100738183 133948573 158302859 529970441 937640011 1108120013 1741331449 12189320143