Base | Representation |
---|---|
bin | 1101101011101101101… |
… | …11101100001010011001 |
3 | 1122221112021011110012011 |
4 | 12311312313230022121 |
5 | 30200324302324221 |
6 | 555552034545521 |
7 | 45652435620562 |
oct | 6656667541231 |
9 | 1587467143164 |
10 | 470145745561 |
11 | 17142a020248 |
12 | 7714aa382a1 |
13 | 3544702526b |
14 | 18a802b7169 |
15 | c369be81e1 |
hex | 6d76dec299 |
470145745561 has 2 divisors, whose sum is σ = 470145745562. Its totient is φ = 470145745560.
The previous prime is 470145745481. The next prime is 470145745603. The reversal of 470145745561 is 165547541074.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 321057091161 + 149088654400 = 566619^2 + 386120^2 .
It is a cyclic number.
It is not a de Polignac number, because 470145745561 - 29 = 470145745049 is a prime.
It is not a weakly prime, because it can be changed into another prime (470145745661) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235072872780 + 235072872781.
It is an arithmetic number, because the mean of its divisors is an integer number (235072872781).
Almost surely, 2470145745561 is an apocalyptic number.
It is an amenable number.
470145745561 is a deficient number, since it is larger than the sum of its proper divisors (1).
470145745561 is an equidigital number, since it uses as much as digits as its factorization.
470145745561 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2352000, while the sum is 49.
The spelling of 470145745561 in words is "four hundred seventy billion, one hundred forty-five million, seven hundred forty-five thousand, five hundred sixty-one".
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