Base | Representation |
---|---|
bin | 111101001111110… |
… | …0000000101001000 |
3 | 12022012222210100000 |
4 | 1322133200011020 |
5 | 13202100000331 |
6 | 535531243000 |
7 | 101632606452 |
oct | 17237400510 |
9 | 5265883300 |
10 | 2055078216 |
11 | 965046754 |
12 | 4942a9460 |
13 | 2699c0019 |
14 | 156d152d2 |
15 | c06420e6 |
hex | 7a7e0148 |
2055078216 has 96 divisors (see below), whose sum is σ = 5798651040. Its totient is φ = 681861888.
The previous prime is 2055078211. The next prime is 2055078251. The reversal of 2055078216 is 6128705502.
It is a happy number.
2055078216 is a `hidden beast` number, since 20 + 550 + 7 + 82 + 1 + 6 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (2055078211) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 438960 + ... + 443616.
It is an arithmetic number, because the mean of its divisors is an integer number (60402615).
Almost surely, 22055078216 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 2055078216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2899325520).
2055078216 is an abundant number, since it is smaller than the sum of its proper divisors (3743572824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2055078216 is a wasteful number, since it uses less digits than its factorization.
2055078216 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4905 (or 4889 counting only the distinct ones).
The product of its (nonzero) digits is 33600, while the sum is 36.
The square root of 2055078216 is about 45332.9705181560. The cubic root of 2055078216 is about 1271.3821759349.
The spelling of 2055078216 in words is "two billion, fifty-five million, seventy-eight thousand, two hundred sixteen".
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