Base | Representation |
---|---|
bin | 1000010101010000010… |
… | …0101110000011101100 |
3 | 111200110222112012012021 |
4 | 2011110010232003230 |
5 | 4321124434203030 |
6 | 145432030115524 |
7 | 13225152461635 |
oct | 2052404560354 |
9 | 450428465167 |
10 | 143144444140 |
11 | 55786341605 |
12 | 238aa94bba4 |
13 | 1066317b629 |
14 | 6cdd0b488c |
15 | 3acbce897a |
hex | 215412e0ec |
143144444140 has 24 divisors (see below), whose sum is σ = 318285882432. Its totient is φ = 53889672960.
The previous prime is 143144444117. The next prime is 143144444167. The reversal of 143144444140 is 41444441341.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (34).
It is a junction number, because it is equal to n+sod(n) for n = 143144444096 and 143144444105.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210506196 + ... + 210506875.
It is an arithmetic number, because the mean of its divisors is an integer number (13261911768).
Almost surely, 2143144444140 is an apocalyptic number.
143144444140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
143144444140 is an abundant number, since it is smaller than the sum of its proper divisors (175141438292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143144444140 is a wasteful number, since it uses less digits than its factorization.
143144444140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 421013097 (or 421013095 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 34.
Adding to 143144444140 its reverse (41444441341), we get a palindrome (184588885481).
The spelling of 143144444140 in words is "one hundred forty-three billion, one hundred forty-four million, four hundred forty-four thousand, one hundred forty".
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