Base | Representation |
---|---|
bin | 111111111011111010… |
… | …000100001100001110 |
3 | 20120012101121121010010 |
4 | 333323322010030032 |
5 | 2111044101442144 |
6 | 51312053054050 |
7 | 4650142163310 |
oct | 777372041416 |
9 | 216171547103 |
10 | 68650812174 |
11 | 2712965930a |
12 | 1137b027326 |
13 | 6620a79b69 |
14 | 347376d7b0 |
15 | 1bbbe565b9 |
hex | ffbe8430e |
68650812174 has 32 divisors (see below), whose sum is σ = 157601387520. Its totient is φ = 19528862112.
The previous prime is 68650812161. The next prime is 68650812257. The reversal of 68650812174 is 47121805686.
68650812174 = 1310052 + 1310062 + ... + 1310082.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3559254 + ... + 3578489.
It is an arithmetic number, because the mean of its divisors is an integer number (4925043360).
Almost surely, 268650812174 is an apocalyptic number.
68650812174 is an abundant number, since it is smaller than the sum of its proper divisors (88950575346).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68650812174 is a wasteful number, since it uses less digits than its factorization.
68650812174 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7137984.
The product of its (nonzero) digits is 645120, while the sum is 48.
The spelling of 68650812174 in words is "sixty-eight billion, six hundred fifty million, eight hundred twelve thousand, one hundred seventy-four".
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