Base | Representation |
---|---|
bin | 11100001010100001… |
… | …000001011110101000 |
3 | 2220001120011010121221 |
4 | 130022201001132220 |
5 | 443413221400130 |
6 | 21520445511424 |
7 | 2120255646652 |
oct | 341241013650 |
9 | 86046133557 |
10 | 30241200040 |
11 | 11909407207 |
12 | 5a3b872574 |
13 | 2b0c34620c |
14 | 166c4b36d2 |
15 | bbedc087a |
hex | 70a8417a8 |
30241200040 has 128 divisors (see below), whose sum is σ = 73597973760. Its totient is φ = 11140706304.
The previous prime is 30241200037. The next prime is 30241200097. The reversal of 30241200040 is 4000214203.
It is a junction number, because it is equal to n+sod(n) for n = 30241199987 and 30241200023.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17550619 + ... + 17552341.
It is an arithmetic number, because the mean of its divisors is an integer number (574984170).
Almost surely, 230241200040 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 30241200040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36798986880).
30241200040 is an abundant number, since it is smaller than the sum of its proper divisors (43356773720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30241200040 is a wasteful number, since it uses less digits than its factorization.
30241200040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2291 (or 2287 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 16.
Adding to 30241200040 its reverse (4000214203), we get a palindrome (34241414243).
The spelling of 30241200040 in words is "thirty billion, two hundred forty-one million, two hundred thousand, forty".
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