Base | Representation |
---|---|
bin | 1101101111010010010001… |
… | …01110110110101000011100 |
3 | 10221222020111122002222021122 |
4 | 12313221020232312220130 |
5 | 12424443204132431022 |
6 | 144131113243550112 |
7 | 6235514011360025 |
oct | 667511056665034 |
9 | 127866448088248 |
10 | 30212020202012 |
11 | 9698933861a00 |
12 | 347b36052b338 |
13 | 13b1c9ab4729c |
14 | 7663aba27c4c |
15 | 375d3d65e742 |
hex | 1b7a48bb6a1c |
30212020202012 has 72 divisors (see below), whose sum is σ = 58440572910720. Its totient is φ = 13655881597600.
The previous prime is 30212020201969. The next prime is 30212020202069. The reversal of 30212020202012 is 21020202021203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62830043 + ... + 63309069.
It is an arithmetic number, because the mean of its divisors is an integer number (811674623760).
Almost surely, 230212020202012 is an apocalyptic number.
It is an amenable number.
30212020202012 is a deficient number, since it is larger than the sum of its proper divisors (28228552708708).
30212020202012 is a wasteful number, since it uses less digits than its factorization.
30212020202012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 479783 (or 479770 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 30212020202012 its reverse (21020202021203), we get a palindrome (51232222223215).
The spelling of 30212020202012 in words is "thirty trillion, two hundred twelve billion, twenty million, two hundred two thousand, twelve".
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