Base | Representation |
---|---|
bin | 1001011111110000001… |
… | …1101001110000000000 |
3 | 120121002200121001202020 |
4 | 2113330003221300000 |
5 | 10133104001341244 |
6 | 202540252121440 |
7 | 14533553161212 |
oct | 2277403516000 |
9 | 517080531666 |
10 | 163142605824 |
11 | 63208825460 |
12 | 27750166280 |
13 | 124cc3615b3 |
14 | 7c7903c5b2 |
15 | 439c7eed19 |
hex | 25fc0e9c00 |
163142605824 has 352 divisors, whose sum is σ = 518527567872. Its totient is φ = 45023232000.
The previous prime is 163142605819. The next prime is 163142605849. The reversal of 163142605824 is 428506241361.
It is a tau number, because it is divible by the number of its divisors (352).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17803804 + ... + 17812964.
Almost surely, 2163142605824 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 163142605824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259263783936).
163142605824 is an abundant number, since it is smaller than the sum of its proper divisors (355384962048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163142605824 is a wasteful number, since it uses less digits than its factorization.
163142605824 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9243 (or 9225 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 42.
The spelling of 163142605824 in words is "one hundred sixty-three billion, one hundred forty-two million, six hundred five thousand, eight hundred twenty-four".
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