Base | Representation |
---|---|
bin | 11100000011100101… |
… | …110111110101110011 |
3 | 2212202110120010100102 |
4 | 130003211313311303 |
5 | 443144001441041 |
6 | 21501135543015 |
7 | 2114345352023 |
oct | 340345676563 |
9 | 85673503312 |
10 | 30125030771 |
11 | 11859881550 |
12 | 5a0898aa6b |
13 | 2ac1260ac4 |
14 | 165acb3a83 |
15 | bb4ac509b |
hex | 703977d73 |
30125030771 has 8 divisors (see below), whose sum is σ = 33483739824. Its totient is φ = 26869666720.
The previous prime is 30125030729. The next prime is 30125030821. The reversal of 30125030771 is 17703052103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30125030771 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30125030671) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25835636 + ... + 25836801.
It is an arithmetic number, because the mean of its divisors is an integer number (4185467478).
Almost surely, 230125030771 is an apocalyptic number.
30125030771 is a deficient number, since it is larger than the sum of its proper divisors (3358709053).
30125030771 is a wasteful number, since it uses less digits than its factorization.
30125030771 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51672501.
The product of its (nonzero) digits is 4410, while the sum is 29.
Adding to 30125030771 its reverse (17703052103), we get a palindrome (47828082874).
The spelling of 30125030771 in words is "thirty billion, one hundred twenty-five million, thirty thousand, seven hundred seventy-one".
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