Base | Representation |
---|---|
bin | 110011011110010001… |
… | …100011011110001000 |
3 | 12021122202220110120200 |
4 | 303132101203132020 |
5 | 1401142300014430 |
6 | 41220133052200 |
7 | 3664416430353 |
oct | 633621433610 |
9 | 167582813520 |
10 | 55268751240 |
11 | 2149185091a |
12 | a865487060 |
13 | 529a4a7c01 |
14 | 296438d29a |
15 | 16871d6460 |
hex | cde463788 |
55268751240 has 96 divisors (see below), whose sum is σ = 180197685720. Its totient is φ = 14691216384.
The previous prime is 55268751229. The next prime is 55268751247. The reversal of 55268751240 is 4215786255.
55268751240 is a `hidden beast` number, since 5 + 52 + 6 + 87 + 512 + 4 + 0 = 666.
55268751240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 16105132836 + 39163618404 = 126906^2 + 197898^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (55268751247) 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, 132567 + ... + 357926.
Almost surely, 255268751240 is an apocalyptic number.
It is an amenable number.
55268751240 is an abundant number, since it is smaller than the sum of its proper divisors (124928934480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55268751240 is a wasteful number, since it uses less digits than its factorization.
55268751240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 490823 (or 490816 counting only the distinct ones).
The product of its (nonzero) digits is 672000, while the sum is 45.
The spelling of 55268751240 in words is "fifty-five billion, two hundred sixty-eight million, seven hundred fifty-one thousand, two hundred forty".
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