Base | Representation |
---|---|
bin | 1011100110101101… |
… | …0111000010101010 |
3 | 22001002201002112121 |
4 | 2321223113002222 |
5 | 22334434322110 |
6 | 1233040301454 |
7 | 140124231301 |
oct | 27153270252 |
9 | 8032632477 |
10 | 3115151530 |
11 | 13594704a7 |
12 | 72b31188a |
13 | 3a850163a |
14 | 217a1d438 |
15 | 13373ccda |
hex | b9ad70aa |
3115151530 has 8 divisors (see below), whose sum is σ = 5607272772. Its totient is φ = 1246060608.
The previous prime is 3115151521. The next prime is 3115151531. The reversal of 3115151530 is 351515113.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 3055104529 + 60047001 = 55273^2 + 7749^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×31151515302 = 19408338109722681800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 3115151495 and 3115151504.
It is not an unprimeable number, because it can be changed into a prime (3115151531) 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 3 ways as a sum of consecutive naturals, for example, 155757567 + ... + 155757586.
Almost surely, 23115151530 is an apocalyptic number.
3115151530 is a deficient number, since it is larger than the sum of its proper divisors (2492121242).
3115151530 is a wasteful number, since it uses less digits than its factorization.
3115151530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 311515160.
The product of its (nonzero) digits is 1125, while the sum is 25.
The square root of 3115151530 is about 55813.5425322565. The cubic root of 3115151530 is about 1460.4714074795.
Adding to 3115151530 its reverse (351515113), we get a palindrome (3466666643).
The spelling of 3115151530 in words is "three billion, one hundred fifteen million, one hundred fifty-one thousand, five hundred thirty".
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