Base | Representation |
---|---|
bin | 1100001011101111… |
… | …11111000101001101 |
3 | 121212212001220102210 |
4 | 12011313333011031 |
5 | 101343444411300 |
6 | 3001020341033 |
7 | 321043460460 |
oct | 60567770515 |
9 | 17785056383 |
10 | 6541013325 |
11 | 2857260140 |
12 | 13266a4779 |
13 | 8031b09b2 |
14 | 4609dd2d7 |
15 | 2843a3050 |
hex | 185dff14d |
6541013325 has 48 divisors (see below), whose sum is σ = 13482994176. Its totient is φ = 2718340800.
The previous prime is 6541013231. The next prime is 6541013329. The reversal of 6541013325 is 5233101456.
It is not a de Polignac number, because 6541013325 - 27 = 6541013197 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 6541013292 and 6541013301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6541013329) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 560547 + ... + 572096.
It is an arithmetic number, because the mean of its divisors is an integer number (280895712).
Almost surely, 26541013325 is an apocalyptic number.
It is an amenable number.
6541013325 is an abundant number, since it is smaller than the sum of its proper divisors (6941980851).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6541013325 is a wasteful number, since it uses less digits than its factorization.
6541013325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1132674 (or 1132669 counting only the distinct ones).
The product of its (nonzero) digits is 10800, while the sum is 30.
The square root of 6541013325 is about 80876.5313610815. The cubic root of 6541013325 is about 1870.1725488259.
The spelling of 6541013325 in words is "six billion, five hundred forty-one million, thirteen thousand, three hundred twenty-five".
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