Base | Representation |
---|---|
bin | 1101101001110110111001… |
… | …11010110100010101111001 |
3 | 10221022102010122202122001200 |
4 | 12310323130322310111321 |
5 | 12413414240104232210 |
6 | 143505312000404413 |
7 | 6216162366222444 |
oct | 664733472642571 |
9 | 127272118678050 |
10 | 30025527805305 |
11 | 962683375600a |
12 | 344b194616709 |
13 | 139a51a1148a6 |
14 | 75b35988665b |
15 | 371075ea80c0 |
hex | 1b4edceb4579 |
30025527805305 has 12 divisors (see below), whose sum is σ = 52044248195940. Its totient is φ = 16013614829472.
The previous prime is 30025527805289. The next prime is 30025527805367. The reversal of 30025527805305 is 50350872552003.
It is a happy number.
30025527805305 is a `hidden beast` number, since 30 + 0 + 2 + 5 + 5 + 2 + 7 + 80 + 530 + 5 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 16953485086521 + 13072042718784 = 4117461^2 + 3615528^2 .
It is not a de Polignac number, because 30025527805305 - 24 = 30025527805289 is a prime.
It is a super-2 number, since 2×300255278053052 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 667233951229 = 30025527805305 / (3 + 0 + 0 + 2 + 5 + 5 + 2 + 7 + 8 + 0 + 5 + 3 + 0 + 5).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333616975570 + ... + 333616975659.
It is an arithmetic number, because the mean of its divisors is an integer number (4337020682995).
Almost surely, 230025527805305 is an apocalyptic number.
It is an amenable number.
30025527805305 is a deficient number, since it is larger than the sum of its proper divisors (22018720390635).
30025527805305 is a wasteful number, since it uses less digits than its factorization.
30025527805305 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 667233951240 (or 667233951237 counting only the distinct ones).
The product of its (nonzero) digits is 1260000, while the sum is 45.
The spelling of 30025527805305 in words is "thirty trillion, twenty-five billion, five hundred twenty-seven million, eight hundred five thousand, three hundred five".
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