Base | Representation |
---|---|
bin | 1000010111111110000… |
… | …0111000011111000000 |
3 | 111202100202220020000000 |
4 | 2011333200320133000 |
5 | 4324123022402133 |
6 | 150032223000000 |
7 | 13252212265050 |
oct | 2057740703700 |
9 | 452322806000 |
10 | 143873247168 |
11 | 5601a774062 |
12 | 23a72a39000 |
13 | 1074b163c21 |
14 | 6d6bbc9560 |
15 | 3b20caa413 |
hex | 217f8387c0 |
143873247168 has 224 divisors, whose sum is σ = 489354693120. Its totient is φ = 41106362112.
The previous prime is 143873247163. The next prime is 143873247169. The reversal of 143873247168 is 861742378341.
143873247168 is a `hidden beast` number, since 1 + 4 + 3 + 87 + 32 + 471 + 68 = 666.
It is a tau number, because it is divible by the number of its divisors (224).
It is a super-2 number, since 2×1438732471682 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143873247163) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 906355 + ... + 1053197.
Almost surely, 2143873247168 is an apocalyptic number.
143873247168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 143873247168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244677346560).
143873247168 is an abundant number, since it is smaller than the sum of its proper divisors (345481445952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
143873247168 is an frugal number, since it uses more digits than its factorization.
143873247168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146883 (or 146855 counting only the distinct ones).
The product of its digits is 5419008, while the sum is 54.
The spelling of 143873247168 in words is "one hundred forty-three billion, eight hundred seventy-three million, two hundred forty-seven thousand, one hundred sixty-eight".
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