Base | Representation |
---|---|
bin | 10110101101000101… |
… | …00100001111001111 |
3 | 1011110111100121202121 |
4 | 23112202210033033 |
5 | 144430431221033 |
6 | 5333311233411 |
7 | 611030340340 |
oct | 132642441717 |
9 | 34414317677 |
10 | 12189320143 |
11 | 519560a700 |
12 | 2442218867 |
13 | 11c344c990 |
14 | 838c200c7 |
15 | 4b51ba62d |
hex | 2d68a43cf |
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".
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