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165130303 = 1379160789
BaseRepresentation
bin10011101011110…
…11000000111111
3102111201111012011
421311323000333
5314233132203
624215152051
74043404312
oct1165730077
9374644164
10165130303
1185236928
1247375627
1328298950
1417d06979
15e76c76d
hex9d7b03f

165130303 has 8 divisors (see below), whose sum is σ = 180084800. Its totient is φ = 150497568.

The previous prime is 165130291. The next prime is 165130331. The reversal of 165130303 is 303031561.

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

It is not a de Polignac number, because 165130303 - 29 = 165129791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165130003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79368 + ... + 81421.

It is an arithmetic number, because the mean of its divisors is an integer number (22510600).

Almost surely, 2165130303 is an apocalyptic number.

165130303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

165130303 is a deficient number, since it is larger than the sum of its proper divisors (14954497).

165130303 is a wasteful number, since it uses less digits than its factorization.

165130303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160881.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 165130303 is about 12850.3036150902. The cubic root of 165130303 is about 548.6249984145.

Adding to 165130303 its reverse (303031561), we get a palindrome (468161864).

The spelling of 165130303 in words is "one hundred sixty-five million, one hundred thirty thousand, three hundred three".

Divisors: 1 13 79 1027 160789 2090257 12702331 165130303