Base | Representation |
---|---|
bin | 11000101111101100… |
… | …11001010110100001 |
3 | 1021021212010211100221 |
4 | 30113312121112201 |
5 | 204201432144343 |
6 | 10034132243041 |
7 | 650133645451 |
oct | 142766312641 |
9 | 37255124327 |
10 | 13285037473 |
11 | 56a806a314 |
12 | 26a9170481 |
13 | 1339461226 |
14 | 900565d61 |
15 | 52b4a75ed |
hex | 317d995a1 |
13285037473 has 2 divisors, whose sum is σ = 13285037474. Its totient is φ = 13285037472.
The previous prime is 13285037419. The next prime is 13285037477. The reversal of 13285037473 is 37473058231.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8185363729 + 5099673744 = 90473^2 + 71412^2 .
It is a cyclic number.
It is not a de Polignac number, because 13285037473 - 225 = 13251483041 is a prime.
It is not a weakly prime, because it can be changed into another prime (13285037477) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6642518736 + 6642518737.
It is an arithmetic number, because the mean of its divisors is an integer number (6642518737).
Almost surely, 213285037473 is an apocalyptic number.
It is an amenable number.
13285037473 is a deficient number, since it is larger than the sum of its proper divisors (1).
13285037473 is an equidigital number, since it uses as much as digits as its factorization.
13285037473 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 423360, while the sum is 43.
The spelling of 13285037473 in words is "thirteen billion, two hundred eighty-five million, thirty-seven thousand, four hundred seventy-three".
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