Base | Representation |
---|---|
bin | 1001011110101110110… |
… | …0100011111011000100 |
3 | 120120101120002121010110 |
4 | 2113223230203323010 |
5 | 10132023214222223 |
6 | 202453124553020 |
7 | 14524011103620 |
oct | 2275354437304 |
9 | 516346077113 |
10 | 162868117188 |
11 | 63087896047 |
12 | 27694252770 |
13 | 1248752669a |
14 | 7c507ca180 |
15 | 438367ed93 |
hex | 25ebb23ec4 |
162868117188 has 144 divisors (see below), whose sum is σ = 452855894400. Its totient is φ = 44624713728.
The previous prime is 162868117187. The next prime is 162868117297. The reversal of 162868117188 is 881711868261.
It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (162868117187) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10518220 + ... + 10533692.
It is an arithmetic number, because the mean of its divisors is an integer number (3144832600).
Almost surely, 2162868117188 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 162868117188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226427947200).
162868117188 is an abundant number, since it is smaller than the sum of its proper divisors (289987777212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
162868117188 is a wasteful number, since it uses less digits than its factorization.
162868117188 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15694 (or 15663 counting only the distinct ones).
The product of its digits is 2064384, while the sum is 57.
The spelling of 162868117188 in words is "one hundred sixty-two billion, eight hundred sixty-eight million, one hundred seventeen thousand, one hundred eighty-eight".
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