Base | Representation |
---|---|
bin | 111110100110111011… |
… | …010101010111000100 |
3 | 20102112000211222000100 |
4 | 332212323111113010 |
5 | 2100134110100114 |
6 | 50514402444100 |
7 | 4566620522424 |
oct | 764673252704 |
9 | 212460758010 |
10 | 67225081284 |
11 | 26567895619 |
12 | 11041663630 |
13 | 645458c60a |
14 | 337a280484 |
15 | 1b36bcc909 |
hex | fa6ed55c4 |
67225081284 has 81 divisors (see below), whose sum is σ = 172423523727. Its totient is φ = 22084262928.
The previous prime is 67225081277. The next prime is 67225081361. The reversal of 67225081284 is 48218052276.
The square root of 67225081284 is 259278.
It is a perfect power (a square), and thus also a powerful number.
67225081284 is a `hidden beast` number, since 67 + 2 + 2 + 508 + 1 + 2 + 84 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 122897499 + ... + 122898045.
Almost surely, 267225081284 is an apocalyptic number.
67225081284 is the 259278-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67225081284
67225081284 is an abundant number, since it is smaller than the sum of its proper divisors (105198442443).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67225081284 is an equidigital number, since it uses as much as digits as its factorization.
67225081284 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1262 (or 631 counting only the distinct ones).
The product of its (nonzero) digits is 430080, while the sum is 45.
The spelling of 67225081284 in words is "sixty-seven billion, two hundred twenty-five million, eighty-one thousand, two hundred eighty-four".
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