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513065161 = 7217933637
BaseRepresentation
bin11110100101001…
…100000011001001
31022202102102002101
4132211030003021
52022321041121
6122524433401
715466660540
oct3645140311
91282372071
10513065161
112436804a4
121239a8861
13823aab6b
144c1d7157
1530099491
hex1e94c0c9

513065161 has 8 divisors (see below), whose sum is σ = 586646720. Its totient is φ = 439555248.

The previous prime is 513065149. The next prime is 513065191. The reversal of 513065161 is 161560315.

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

It is a cyclic number.

It is not a de Polignac number, because 513065161 - 213 = 513056969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513065101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1566 + ... + 32071.

It is an arithmetic number, because the mean of its divisors is an integer number (73330840).

Almost surely, 2513065161 is an apocalyptic number.

It is an amenable number.

513065161 is a deficient number, since it is larger than the sum of its proper divisors (73581559).

513065161 is a wasteful number, since it uses less digits than its factorization.

513065161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35823.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 513065161 is about 22650.9417243522. The cubic root of 513065161 is about 800.5543870841.

The spelling of 513065161 in words is "five hundred thirteen million, sixty-five thousand, one hundred sixty-one".

Divisors: 1 7 2179 15253 33637 235459 73295023 513065161