Base | Representation |
---|---|
bin | 1000010100110101010… |
… | …0011011000110111000 |
3 | 111200012002021202010110 |
4 | 2011031110123012320 |
5 | 4320411431322222 |
6 | 145412501144320 |
7 | 13222305314523 |
oct | 2051524330670 |
9 | 450162252113 |
10 | 143031120312 |
11 | 5572837a753 |
12 | 238789bb0a0 |
13 | 10645851402 |
14 | 6ccc015bba |
15 | 3ac1db130c |
hex | 214d51b1b8 |
143031120312 has 128 divisors (see below), whose sum is σ = 363562214400. Its totient is φ = 46888117248.
The previous prime is 143031120311. The next prime is 143031120361. The reversal of 143031120312 is 213021130341.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143031120311) 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 in 31 ways as a sum of consecutive naturals, for example, 284355853 + ... + 284356355.
It is an arithmetic number, because the mean of its divisors is an integer number (2840329800).
Almost surely, 2143031120312 is an apocalyptic number.
143031120312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
143031120312 is an abundant number, since it is smaller than the sum of its proper divisors (220531094088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143031120312 is a wasteful number, since it uses less digits than its factorization.
143031120312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1285 (or 1281 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 143031120312 its reverse (213021130341), we get a palindrome (356052250653).
The spelling of 143031120312 in words is "one hundred forty-three billion, thirty-one million, one hundred twenty thousand, three hundred twelve".
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