Base | Representation |
---|---|
bin | 111110011100110101… |
… | …011001111001101000 |
3 | 20102002020020021211011 |
4 | 332130311121321220 |
5 | 2044312233123411 |
6 | 50445513313304 |
7 | 4562463340366 |
oct | 763465317150 |
9 | 212066207734 |
10 | 67055754856 |
11 | 26490253122 |
12 | 10bb4a05834 |
13 | 6428484a6c |
14 | 33619a4636 |
15 | 1b26dd1c21 |
hex | f9cd59e68 |
67055754856 has 32 divisors (see below), whose sum is σ = 136372367880. Its totient is φ = 30785996800.
The previous prime is 67055754853. The next prime is 67055754881. The reversal of 67055754856 is 65845755076.
It can be written as a sum of positive squares in 4 ways, for example, as 48458977956 + 18596776900 = 220134^2 + 136370^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 67055754856.
It is not an unprimeable number, because it can be changed into a prime (67055754851) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6007315 + ... + 6018466.
Almost surely, 267055754856 is an apocalyptic number.
It is an amenable number.
67055754856 is an abundant number, since it is smaller than the sum of its proper divisors (69316613024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67055754856 is a wasteful number, since it uses less digits than its factorization.
67055754856 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12025845 (or 12025841 counting only the distinct ones).
The product of its (nonzero) digits is 35280000, while the sum is 58.
The spelling of 67055754856 in words is "sixty-seven billion, fifty-five million, seven hundred fifty-four thousand, eight hundred fifty-six".
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