Base | Representation |
---|---|
bin | 1000010101001111111… |
… | …1111011001011000111 |
3 | 111200110220011022220211 |
4 | 2011103333323023013 |
5 | 4321124123442033 |
6 | 145431543140251 |
7 | 13225136005135 |
oct | 2052377731307 |
9 | 450426138824 |
10 | 143143187143 |
11 | 55785663170 |
12 | 238aa444687 |
13 | 10662b2b448 |
14 | 6cdcc68755 |
15 | 3acbb4b2cd |
hex | 2153ffb2c7 |
143143187143 has 32 divisors (see below), whose sum is σ = 167110594560. Its totient is φ = 121167644160.
The previous prime is 143143187137. The next prime is 143143187153. The reversal of 143143187143 is 341781341341.
It is a happy number.
It is not a de Polignac number, because 143143187143 - 221 = 143141089991 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 143143187096 and 143143187105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143143187123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23668746 + ... + 23674792.
It is an arithmetic number, because the mean of its divisors is an integer number (5222206080).
Almost surely, 2143143187143 is an apocalyptic number.
143143187143 is a deficient number, since it is larger than the sum of its proper divisors (23967407417).
143143187143 is a wasteful number, since it uses less digits than its factorization.
143143187143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7407.
The product of its digits is 96768, while the sum is 40.
The spelling of 143143187143 in words is "one hundred forty-three billion, one hundred forty-three million, one hundred eighty-seven thousand, one hundred forty-three".
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