Base | Representation |
---|---|
bin | 10001000100000… |
… | …11000100101101 |
3 | 100222100102120111 |
4 | 20202003010231 |
5 | 243121040323 |
6 | 22112020021 |
7 | 3355461103 |
oct | 1042030455 |
9 | 328312514 |
10 | 143143213 |
11 | 73889684 |
12 | 3bb31611 |
13 | 2386ac35 |
14 | 15021c73 |
15 | c877c0d |
hex | 888312d |
143143213 has 8 divisors (see below), whose sum is σ = 156453120. Its totient is φ = 130376640.
The previous prime is 143143199. The next prime is 143143219. The reversal of 143143213 is 312341341.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-143143213 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143143219) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135283 + ... + 136336.
It is an arithmetic number, because the mean of its divisors is an integer number (19556640).
Almost surely, 2143143213 is an apocalyptic number.
It is an amenable number.
143143213 is a deficient number, since it is larger than the sum of its proper divisors (13309907).
143143213 is a wasteful number, since it uses less digits than its factorization.
143143213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 271667.
The product of its digits is 864, while the sum is 22.
The square root of 143143213 is about 11964.2472809617. The cubic root of 143143213 is about 523.1066652866.
Adding to 143143213 its reverse (312341341), we get a palindrome (455484554).
It can be divided in two parts, 1431 and 43213, that added together give a palindrome (44644).
The spelling of 143143213 in words is "one hundred forty-three million, one hundred forty-three thousand, two hundred thirteen".
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