Base | Representation |
---|---|
bin | 1001100000111111010… |
… | …0100110111000110001 |
3 | 120121221210120010000202 |
4 | 2120033310212320301 |
5 | 10134243344100012 |
6 | 203033215324545 |
7 | 14545020553265 |
oct | 2301764467061 |
9 | 517853503022 |
10 | 163474206257 |
11 | 63368a227aa |
12 | 27823220755 |
13 | 12552c7497b |
14 | 7cab0ba0a5 |
15 | 43bb9a1cc2 |
hex | 260fd26e31 |
163474206257 has 2 divisors, whose sum is σ = 163474206258. Its totient is φ = 163474206256.
The previous prime is 163474206211. The next prime is 163474206289. The reversal of 163474206257 is 752602474361.
163474206257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 114028457761 + 49445748496 = 337681^2 + 222364^2 .
It is a cyclic number.
It is not a de Polignac number, because 163474206257 - 214 = 163474189873 is a prime.
It is a super-2 number, since 2×1634742062572 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (163474200257) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81737103128 + 81737103129.
It is an arithmetic number, because the mean of its divisors is an integer number (81737103129).
Almost surely, 2163474206257 is an apocalyptic number.
It is an amenable number.
163474206257 is a deficient number, since it is larger than the sum of its proper divisors (1).
163474206257 is an equidigital number, since it uses as much as digits as its factorization.
163474206257 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1693440, while the sum is 47.
The spelling of 163474206257 in words is "one hundred sixty-three billion, four hundred seventy-four million, two hundred six thousand, two hundred fifty-seven".
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