Base | Representation |
---|---|
bin | 10010101000000110… |
… | …101101100100111001 |
3 | 1220121211220110222211 |
4 | 102220012231210321 |
5 | 311430022413032 |
6 | 13104333415121 |
7 | 1305423621646 |
oct | 225006554471 |
9 | 56554813884 |
10 | 20000201017 |
11 | 8533657055 |
12 | 3a6203a4a1 |
13 | 1b69748294 |
14 | d7a338dcd |
15 | 7c0caa747 |
hex | 4a81ad939 |
20000201017 has 2 divisors, whose sum is σ = 20000201018. Its totient is φ = 20000201016.
The previous prime is 20000201009. The next prime is 20000201051. The reversal of 20000201017 is 71010200002.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 13086444816 + 6913756201 = 114396^2 + 83149^2 .
It is a cyclic number.
It is not a de Polignac number, because 20000201017 - 23 = 20000201009 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20000200988 and 20000201006.
It is not a weakly prime, because it can be changed into another prime (20000208017) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000100508 + 10000100509.
It is an arithmetic number, because the mean of its divisors is an integer number (10000100509).
Almost surely, 220000201017 is an apocalyptic number.
It is an amenable number.
20000201017 is a deficient number, since it is larger than the sum of its proper divisors (1).
20000201017 is an equidigital number, since it uses as much as digits as its factorization.
20000201017 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 28, while the sum is 13.
Adding to 20000201017 its reverse (71010200002), we get a palindrome (91010401019).
The spelling of 20000201017 in words is "twenty billion, two hundred one thousand, seventeen".
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