Base | Representation |
---|---|
bin | 110010000101011… |
… | …1110110001001111 |
3 | 11100010100022222202 |
4 | 1210022332301033 |
5 | 11420213201033 |
6 | 434433032115 |
7 | 56434602605 |
oct | 14412766117 |
9 | 4303308882 |
10 | 1680600143 |
11 | 792722842 |
12 | 3aa9b563b |
13 | 20a246371 |
14 | 11d2b5875 |
15 | 9c8208e8 |
hex | 642bec4f |
1680600143 has 2 divisors, whose sum is σ = 1680600144. Its totient is φ = 1680600142.
The previous prime is 1680600137. The next prime is 1680600157. The reversal of 1680600143 is 3410060861.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1680600143 - 210 = 1680599119 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1680600193) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 840300071 + 840300072.
It is an arithmetic number, because the mean of its divisors is an integer number (840300072).
Almost surely, 21680600143 is an apocalyptic number.
1680600143 is a deficient number, since it is larger than the sum of its proper divisors (1).
1680600143 is an equidigital number, since it uses as much as digits as its factorization.
1680600143 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3456, while the sum is 29.
The square root of 1680600143 is about 40995.1234051076. The cubic root of 1680600143 is about 1188.9259293807.
The spelling of 1680600143 in words is "one billion, six hundred eighty million, six hundred thousand, one hundred forty-three".
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