Base | Representation |
---|---|
bin | 11110101001010… |
… | …011101110001001 |
3 | 1022211110021120101 |
4 | 132221103232021 |
5 | 2023110121121 |
6 | 123003525401 |
7 | 15512106325 |
oct | 3651235611 |
9 | 1284407511 |
10 | 514145161 |
11 | 244248962 |
12 | 124229861 |
13 | 8269860a |
14 | 4c3d8985 |
15 | 3020e491 |
hex | 1ea53b89 |
514145161 has 12 divisors (see below), whose sum is σ = 549241420. Its totient is φ = 481178880.
The previous prime is 514145131. The next prime is 514145179. The reversal of 514145161 is 161541415.
It can be written as a sum of positive squares in 6 ways, for example, as 19527561 + 494617600 = 4419^2 + 22240^2 .
It is not a de Polignac number, because 514145161 - 25 = 514145129 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (514145131) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47395 + ... + 57223.
Almost surely, 2514145161 is an apocalyptic number.
It is an amenable number.
514145161 is a deficient number, since it is larger than the sum of its proper divisors (35096259).
514145161 is a wasteful number, since it uses less digits than its factorization.
514145161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10044 (or 10027 counting only the distinct ones).
The product of its digits is 2400, while the sum is 28.
The square root of 514145161 is about 22674.7692601270. The cubic root of 514145161 is about 801.1157146069.
Adding to 514145161 its reverse (161541415), we get a palindrome (675686576).
The spelling of 514145161 in words is "five hundred fourteen million, one hundred forty-five thousand, one hundred sixty-one".
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