Base | Representation |
---|---|
bin | 111011001001010110001… |
… | …0010110011001001101010 |
3 | 1001210010021210210212111210 |
4 | 1312102230102303021222 |
5 | 2031141111443431130 |
6 | 25142221403333550 |
7 | 1466204265110136 |
oct | 166225422631152 |
9 | 31703253725453 |
10 | 8128968733290 |
11 | 2654526a23429 |
12 | ab35472212b6 |
13 | 46c734c320b2 |
14 | 201630bbc3c6 |
15 | e16be4bd5b0 |
hex | 764ac4b326a |
8128968733290 has 32 divisors (see below), whose sum is σ = 20657144076480. Its totient is φ = 2040211760384.
The previous prime is 8128968733283. The next prime is 8128968733339. The reversal of 8128968733290 is 923378698218.
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, 7969576680 + ... + 7969577699.
It is an arithmetic number, because the mean of its divisors is an integer number (645535752390).
Almost surely, 28128968733290 is an apocalyptic number.
8128968733290 is an abundant number, since it is smaller than the sum of its proper divisors (12528175343190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8128968733290 is a wasteful number, since it uses less digits than its factorization.
8128968733290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15939154406.
The product of its (nonzero) digits is 62705664, while the sum is 66.
The spelling of 8128968733290 in words is "eight trillion, one hundred twenty-eight billion, nine hundred sixty-eight million, seven hundred thirty-three thousand, two hundred ninety".
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