Base | Representation |
---|---|
bin | 101100001111110100100001… |
… | …0101011011110000110010100 |
3 | 1220001001101120222110020011000 |
4 | 1120133221002223132012110 |
5 | 402003143122032330120 |
6 | 3455433051045343300 |
7 | 144656643623531502 |
oct | 13037510253360624 |
9 | 1801041528406130 |
10 | 389202465120660 |
11 | 103014925089594 |
12 | 3779a066107b30 |
13 | 13922834082459 |
14 | 6c176dd725672 |
15 | 2eee0b1534990 |
hex | 161fa42ade194 |
389202465120660 has 192 divisors, whose sum is σ = 1228122672537600. Its totient is φ = 102311154691200.
The previous prime is 389202465120613. The next prime is 389202465120673. The reversal of 389202465120660 is 66021564202983.
389202465120660 is a `hidden beast` number, since 3 + 8 + 9 + 20 + 2 + 46 + 512 + 0 + 6 + 60 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 389202465120597 and 389202465120606.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19689175 + ... + 34147745.
It is an arithmetic number, because the mean of its divisors is an integer number (6396472252800).
Almost surely, 2389202465120660 is an apocalyptic number.
389202465120660 is a gapful number since it is divisible by the number (30) 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 389202465120660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614061336268800).
389202465120660 is an abundant number, since it is smaller than the sum of its proper divisors (838920207416940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389202465120660 is a wasteful number, since it uses less digits than its factorization.
389202465120660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14459299 (or 14459291 counting only the distinct ones).
The product of its (nonzero) digits is 7464960, while the sum is 54.
The spelling of 389202465120660 in words is "three hundred eighty-nine trillion, two hundred two billion, four hundred sixty-five million, one hundred twenty thousand, six hundred sixty".
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