Base | Representation |
---|---|
bin | 10100001010001… |
… | …11001100100101 |
3 | 102210012210112122 |
4 | 22011013030211 |
5 | 321243043412 |
6 | 24440355325 |
7 | 4122300641 |
oct | 1205071445 |
9 | 383183478 |
10 | 169112357 |
11 | 87506687 |
12 | 48775b45 |
13 | 290612ab |
14 | 18661c21 |
15 | eca7572 |
hex | a147325 |
169112357 has 2 divisors, whose sum is σ = 169112358. Its totient is φ = 169112356.
The previous prime is 169112327. The next prime is 169112429. The reversal of 169112357 is 753211961.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 157728481 + 11383876 = 12559^2 + 3374^2 .
It is an emirp because it is prime and its reverse (753211961) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 169112357 - 214 = 169095973 is a prime.
It is a Chen prime.
It is equal to p9456191 and since 169112357 and 9456191 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (169112327) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84556178 + 84556179.
It is an arithmetic number, because the mean of its divisors is an integer number (84556179).
Almost surely, 2169112357 is an apocalyptic number.
It is an amenable number.
169112357 is a deficient number, since it is larger than the sum of its proper divisors (1).
169112357 is an equidigital number, since it uses as much as digits as its factorization.
169112357 is an evil number, because the sum of its binary digits is even.
The product of its digits is 11340, while the sum is 35.
The square root of 169112357 is about 13004.3207050580. The cubic root of 169112357 is about 552.9999781999. Note that the first 4 decimals are identical.
The spelling of 169112357 in words is "one hundred sixty-nine million, one hundred twelve thousand, three hundred fifty-seven".
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