Base | Representation |
---|---|
bin | 11100000011010111… |
… | …110000011010000000 |
3 | 2212202012121010021002 |
4 | 130003113300122000 |
5 | 443142030032204 |
6 | 21500524351132 |
7 | 2114302040342 |
oct | 340327603200 |
9 | 85665533232 |
10 | 30121330304 |
11 | 1185778430a |
12 | 5a076a54a8 |
13 | 2ac0566690 |
14 | 165a5cd292 |
15 | bb45e391e |
hex | 7035f0680 |
30121330304 has 32 divisors (see below), whose sum is σ = 64623290340. Its totient is φ = 13902151680.
The previous prime is 30121330297. The next prime is 30121330321. The reversal of 30121330304 is 40303312103.
It can be written as a sum of positive squares in 2 ways, for example, as 29807331904 + 313998400 = 172648^2 + 17720^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9049217 + ... + 9052544.
Almost surely, 230121330304 is an apocalyptic number.
It is an amenable number.
30121330304 is an abundant number, since it is smaller than the sum of its proper divisors (34501960036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30121330304 is a wasteful number, since it uses less digits than its factorization.
30121330304 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18101788 (or 18101776 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 30121330304 its reverse (40303312103), we get a palindrome (70424642407).
The spelling of 30121330304 in words is "thirty billion, one hundred twenty-one million, three hundred thirty thousand, three hundred four".
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