Base | Representation |
---|---|
bin | 1011100110101101… |
… | …0000011000010000 |
3 | 22001002122201002212 |
4 | 2321223100120100 |
5 | 22334432433430 |
6 | 1233035531252 |
7 | 140124055604 |
oct | 27153203020 |
9 | 8032581085 |
10 | 3115124240 |
11 | 1359451a48 |
12 | 72b2b9b28 |
13 | 3a84c20a7 |
14 | 217a13504 |
15 | 133734b95 |
hex | b9ad0610 |
3115124240 has 40 divisors (see below), whose sum is σ = 7419322008. Its totient is φ = 1215656960.
The previous prime is 3115124213. The next prime is 3115124261. The reversal of 3115124240 is 424215113.
It can be written as a sum of positive squares in 4 ways, for example, as 22429696 + 3092694544 = 4736^2 + 55612^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is an unprimeable number.
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, 471587 + ... + 478146.
Almost surely, 23115124240 is an apocalyptic number.
It is an amenable number.
3115124240 is an abundant number, since it is smaller than the sum of its proper divisors (4304197768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3115124240 is a wasteful number, since it uses less digits than its factorization.
3115124240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 949787 (or 949781 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 3115124240 is about 55813.2980570043. The cubic root of 3115124240 is about 1460.4671426916.
Adding to 3115124240 its reverse (424215113), we get a palindrome (3539339353).
The spelling of 3115124240 in words is "three billion, one hundred fifteen million, one hundred twenty-four thousand, two hundred forty".
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