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169112357 is a prime number
BaseRepresentation
bin10100001010001…
…11001100100101
3102210012210112122
422011013030211
5321243043412
624440355325
74122300641
oct1205071445
9383183478
10169112357
1187506687
1248775b45
13290612ab
1418661c21
15eca7572
hexa147325

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".