Base | Representation |
---|---|
bin | 1000010101101011001… |
… | …1110100100101000000 |
3 | 111200202212011201211102 |
4 | 2011122303310211000 |
5 | 4321342402024122 |
6 | 145451144233532 |
7 | 13231024163255 |
oct | 2053263644500 |
9 | 450685151742 |
10 | 143257454912 |
11 | 5583410a240 |
12 | 2392076b8a8 |
13 | 106806c9200 |
14 | 6d100d142c |
15 | 3ad6bbd492 |
hex | 215acf4940 |
143257454912 has 336 divisors, whose sum is σ = 356981760000. Its totient is φ = 56382842880.
The previous prime is 143257454797. The next prime is 143257454929. The reversal of 143257454912 is 219454752341.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 287088839 + ... + 287089337.
Almost surely, 2143257454912 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143257454912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178490880000).
143257454912 is an abundant number, since it is smaller than the sum of its proper divisors (213724305088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143257454912 is a wasteful number, since it uses less digits than its factorization.
143257454912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 694 (or 671 counting only the distinct ones).
The product of its digits is 1209600, while the sum is 47.
The spelling of 143257454912 in words is "one hundred forty-three billion, two hundred fifty-seven million, four hundred fifty-four thousand, nine hundred twelve".
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