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169128014 = 2117687637
BaseRepresentation
bin10100001010010…
…11000001001110
3102210020121000112
422011023001032
5321244044024
624441000022
74122364406
oct1205130116
9383217015
10169128014
1187517420
1248783012
1329068463
1418667806
15ecac00e
hexa14b04e

169128014 has 8 divisors (see below), whose sum is σ = 276754968. Its totient is φ = 76876360.

The previous prime is 169128013. The next prime is 169128041. The reversal of 169128014 is 410821961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169128013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3843797 + ... + 3843840.

It is an arithmetic number, because the mean of its divisors is an integer number (34594371).

Almost surely, 2169128014 is an apocalyptic number.

169128014 is a deficient number, since it is larger than the sum of its proper divisors (107626954).

169128014 is a wasteful number, since it uses less digits than its factorization.

169128014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7687650.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 169128014 is about 13004.9226833534. The cubic root of 169128014 is about 553.0170438826.

Adding to 169128014 its reverse (410821961), we get a palindrome (579949975).

The spelling of 169128014 in words is "one hundred sixty-nine million, one hundred twenty-eight thousand, fourteen".

Divisors: 1 2 11 22 7687637 15375274 84564007 169128014