Base | Representation |
---|---|
bin | 111100100101000011… |
… | …010010111001000000 |
3 | 20012220011202210002211 |
4 | 330211003102321000 |
5 | 2031203302131430 |
6 | 45514244151504 |
7 | 4461621661450 |
oct | 744503227100 |
9 | 205804683084 |
10 | 65046130240 |
11 | 25649932433 |
12 | 10733998594 |
13 | 619801a980 |
14 | 3210b21d60 |
15 | 1a5a76c72a |
hex | f250d2e40 |
65046130240 has 448 divisors, whose sum is σ = 198709507584. Its totient is φ = 19731382272.
The previous prime is 65046130159. The next prime is 65046130297. The reversal of 65046130240 is 4203164056.
It is a tau number, because it is divible by the number of its divisors (448).
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78652707 + ... + 78653533.
It is an arithmetic number, because the mean of its divisors is an integer number (443548008).
Almost surely, 265046130240 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 65046130240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99354753792).
65046130240 is an abundant number, since it is smaller than the sum of its proper divisors (133663377344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65046130240 is a wasteful number, since it uses less digits than its factorization.
65046130240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 974 (or 964 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 31.
Adding to 65046130240 its reverse (4203164056), we get a palindrome (69249294296).
The spelling of 65046130240 in words is "sixty-five billion, forty-six million, one hundred thirty thousand, two hundred forty".
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