Base | Representation |
---|---|
bin | 11100000010101110… |
… | …011111001111111000 |
3 | 2212201110020111111121 |
4 | 130002232133033320 |
5 | 443131242341440 |
6 | 21455500435024 |
7 | 2114111062423 |
oct | 340256371770 |
9 | 85643214447 |
10 | 30110512120 |
11 | 11851665467 |
12 | 5a03b48a74 |
13 | 2abb2495a0 |
14 | 1658db49ba |
15 | bb36a834a |
hex | 702b9f3f8 |
30110512120 has 128 divisors (see below), whose sum is σ = 74540269440. Its totient is φ = 10879303680.
The previous prime is 30110512097. The next prime is 30110512151. The reversal of 30110512120 is 2121501103.
It is a junction number, because it is equal to n+sod(n) for n = 30110512094 and 30110512103.
It is a congruent number.
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, 5055064 + ... + 5061016.
It is an arithmetic number, because the mean of its divisors is an integer number (582345855).
Almost surely, 230110512120 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 30110512120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37270134720).
30110512120 is an abundant number, since it is smaller than the sum of its proper divisors (44429757320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30110512120 is a wasteful number, since it uses less digits than its factorization.
30110512120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6185 (or 6181 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 16.
The spelling of 30110512120 in words is "thirty billion, one hundred ten million, five hundred twelve thousand, one hundred twenty".
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