Base | Representation |
---|---|
bin | 1000010101010000000… |
… | …0000000110110110101 |
3 | 111200110220012111211222 |
4 | 2011110000000312311 |
5 | 4321124130213141 |
6 | 145431543440125 |
7 | 13225136133041 |
oct | 2052400006665 |
9 | 450426174758 |
10 | 143143210421 |
11 | 55785679702 |
12 | 238aa456045 |
13 | 10662b38c13 |
14 | 6cdcc73021 |
15 | 3acbb5314b |
hex | 2154000db5 |
143143210421 has 8 divisors (see below), whose sum is σ = 144583942464. Its totient is φ = 141703459200.
The previous prime is 143143210393. The next prime is 143143210447. The reversal of 143143210421 is 124012341341.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 143143210421 - 210 = 143143209397 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143143210321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49925 + ... + 537381.
It is an arithmetic number, because the mean of its divisors is an integer number (18072992808).
Almost surely, 2143143210421 is an apocalyptic number.
It is an amenable number.
143143210421 is a deficient number, since it is larger than the sum of its proper divisors (1440732043).
143143210421 is a wasteful number, since it uses less digits than its factorization.
143143210421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 490411.
The product of its (nonzero) digits is 2304, while the sum is 26.
Adding to 143143210421 its reverse (124012341341), we get a palindrome (267155551762).
The spelling of 143143210421 in words is "one hundred forty-three billion, one hundred forty-three million, two hundred ten thousand, four hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •