Base | Representation |
---|---|
bin | 11100001110110011… |
… | …000000101011110000 |
3 | 2220020120022011220111 |
4 | 130032303000223300 |
5 | 444040113233430 |
6 | 21531533151104 |
7 | 2122120311652 |
oct | 341663005360 |
9 | 86216264814 |
10 | 30313024240 |
11 | 11945a03854 |
12 | 5a5b92b494 |
13 | 2b211a3145 |
14 | 1677c4c6d2 |
15 | bc635bc2a |
hex | 70ecc0af0 |
30313024240 has 40 divisors (see below), whose sum is σ = 70591754160. Its totient is φ = 12105601536.
The previous prime is 30313024237. The next prime is 30313024297. The reversal of 30313024240 is 4242031303.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256549 + ... + 355588.
It is an arithmetic number, because the mean of its divisors is an integer number (1764793854).
Almost surely, 230313024240 is an apocalyptic number.
It is an amenable number.
30313024240 is an abundant number, since it is smaller than the sum of its proper divisors (40278729920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30313024240 is a wasteful number, since it uses less digits than its factorization.
30313024240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 612769 (or 612763 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 30313024240 its reverse (4242031303), we get a palindrome (34555055543).
The spelling of 30313024240 in words is "thirty billion, three hundred thirteen million, twenty-four thousand, two hundred forty".
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