Base | Representation |
---|---|
bin | 1001011101000000110110… |
… | …11110001110101111111001 |
3 | 2201121022201121120211111012 |
4 | 10232200123132032233321 |
5 | 10211043013232402301 |
6 | 112113531132243305 |
7 | 4243614363543155 |
oct | 456403336165771 |
9 | 81538647524435 |
10 | 20788102622201 |
11 | 6695203a927a2 |
12 | 23b8a59610535 |
13 | b7a404449a95 |
14 | 51c21447a065 |
15 | 260b2d928ebb |
hex | 12e81b78ebf9 |
20788102622201 has 2 divisors, whose sum is σ = 20788102622202. Its totient is φ = 20788102622200.
The previous prime is 20788102622191. The next prime is 20788102622227. The reversal of 20788102622201 is 10222620188702.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 15561849412201 + 5226253210000 = 3944851^2 + 2286100^2 .
It is a cyclic number.
It is not a de Polignac number, because 20788102622201 - 226 = 20788035513337 is a prime.
It is not a weakly prime, because it can be changed into another prime (20788102682201) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10394051311100 + 10394051311101.
It is an arithmetic number, because the mean of its divisors is an integer number (10394051311101).
Almost surely, 220788102622201 is an apocalyptic number.
It is an amenable number.
20788102622201 is a deficient number, since it is larger than the sum of its proper divisors (1).
20788102622201 is an equidigital number, since it uses as much as digits as its factorization.
20788102622201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 86016, while the sum is 41.
The spelling of 20788102622201 in words is "twenty trillion, seven hundred eighty-eight billion, one hundred two million, six hundred twenty-two thousand, two hundred one".
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