Base | Representation |
---|---|
bin | 111100101010100011100… |
… | …001101010001101100100 |
3 | 112202112120010221021022200 |
4 | 330222203201222031210 |
5 | 1021300312104140410 |
6 | 12511052040054500 |
7 | 610122165342012 |
oct | 74524341521544 |
9 | 15675503837280 |
10 | 4168861786980 |
11 | 1368005884520 |
12 | 573b53464430 |
13 | 243177cb2797 |
14 | 105ab9b6b8b2 |
15 | 736959223c0 |
hex | 3caa386a364 |
4168861786980 has 288 divisors, whose sum is σ = 14962885636608. Its totient is φ = 927984230400.
The previous prime is 4168861786961. The next prime is 4168861787047. The reversal of 4168861786980 is 896871688614.
4168861786980 is a `hidden beast` number, since 416 + 8 + 8 + 6 + 1 + 78 + 69 + 80 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 4168861786899 and 4168861786908.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 130332 + ... + 2890451.
It is an arithmetic number, because the mean of its divisors is an integer number (51954464016).
Almost surely, 24168861786980 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 4168861786980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7481442818304).
4168861786980 is an abundant number, since it is smaller than the sum of its proper divisors (10794023849628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4168861786980 is a wasteful number, since it uses less digits than its factorization.
4168861786980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3020867 (or 3020862 counting only the distinct ones).
The product of its (nonzero) digits is 222953472, while the sum is 72.
The spelling of 4168861786980 in words is "four trillion, one hundred sixty-eight billion, eight hundred sixty-one million, seven hundred eighty-six thousand, nine hundred eighty".
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