Base | Representation |
---|---|
bin | 1101101111010010100111… |
… | …01000010010011000000100 |
3 | 10221222020222101010121011100 |
4 | 12313221103220102120010 |
5 | 12424444042433430040 |
6 | 144131143334340100 |
7 | 6235521361364214 |
oct | 667512350223004 |
9 | 127866871117140 |
10 | 30212203030020 |
11 | 9698a17a86330 |
12 | 347b3b17ba630 |
13 | 13b1cc999b43b |
14 | 7663c801a244 |
15 | 375d4e725b30 |
hex | 1b7a53a12604 |
30212203030020 has 144 divisors (see below), whose sum is σ = 99985588859520. Its totient is φ = 7323389299200.
The previous prime is 30212203030003. The next prime is 30212203030039. The reversal of 30212203030020 is 2003030221203.
It is a happy number.
30212203030020 is a `hidden beast` number, since 302 + 12 + 2 + 0 + 30 + 300 + 20 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 30212203029975 and 30212203030002.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17864416 + ... + 19482344.
It is an arithmetic number, because the mean of its divisors is an integer number (694344367080).
Almost surely, 230212203030020 is an apocalyptic number.
30212203030020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30212203030020 is an abundant number, since it is smaller than the sum of its proper divisors (69773385829500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30212203030020 is a wasteful number, since it uses less digits than its factorization.
30212203030020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1627386 (or 1627381 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 30212203030020 its reverse (2003030221203), we get a palindrome (32215233251223).
The spelling of 30212203030020 in words is "thirty trillion, two hundred twelve billion, two hundred three million, thirty thousand, twenty".
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