Base | Representation |
---|---|
bin | 1001000110001000101001… |
… | …10100111100100011001101 |
3 | 2121211011200121121212011121 |
4 | 10203010110310330203031 |
5 | 10110203110100340133 |
6 | 110312444132520541 |
7 | 4133045335536466 |
oct | 443042464744315 |
9 | 77734617555147 |
10 | 20002012121293 |
11 | 64118954335a4 |
12 | 22b0635480151 |
13 | b21249113357 |
14 | 4d216158dd6d |
15 | 24a47184002d |
hex | 123114d3c8cd |
20002012121293 has 2 divisors, whose sum is σ = 20002012121294. Its totient is φ = 20002012121292.
The previous prime is 20002012121191. The next prime is 20002012121317. The reversal of 20002012121293 is 39212121020002.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 17425723894569 + 2576288226724 = 4174413^2 + 1605082^2 .
It is a cyclic number.
It is not a de Polignac number, because 20002012121293 - 213 = 20002012113101 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20002012121893) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001006060646 + 10001006060647.
It is an arithmetic number, because the mean of its divisors is an integer number (10001006060647).
Almost surely, 220002012121293 is an apocalyptic number.
It is an amenable number.
20002012121293 is a deficient number, since it is larger than the sum of its proper divisors (1).
20002012121293 is an equidigital number, since it uses as much as digits as its factorization.
20002012121293 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 25.
Adding to 20002012121293 its reverse (39212121020002), we get a palindrome (59214133141295).
The spelling of 20002012121293 in words is "twenty trillion, two billion, twelve million, one hundred twenty-one thousand, two hundred ninety-three".
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