Base | Representation |
---|---|
bin | 1101101111010010100111… |
… | …01001010100010010110100 |
3 | 10221222020222101122022112100 |
4 | 12313221103221110102310 |
5 | 12424444043021100040 |
6 | 144131143344222100 |
7 | 6235521363600330 |
oct | 667512351242264 |
9 | 127866871568470 |
10 | 30212203300020 |
11 | 9698a18150175 |
12 | 347b3b190a930 |
13 | 13b1cc9a642c1 |
14 | 7663c808a7c0 |
15 | 375d4e77ab30 |
hex | 1b7a53a544b4 |
30212203300020 has 72 divisors (see below), whose sum is σ = 104735638111104. Its totient is φ = 6905646468288.
The previous prime is 30212203299989. The next prime is 30212203300039. The reversal of 30212203300020 is 2000330221203.
It is a happy number.
30212203300020 is a `hidden beast` number, since 302 + 12 + 2 + 0 + 330 + 0 + 0 + 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 = 30212203299966 and 30212203300002.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11988968304 + ... + 11988970823.
It is an arithmetic number, because the mean of its divisors is an integer number (1454661640432).
Almost surely, 230212203300020 is an apocalyptic number.
30212203300020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30212203300020 is an abundant number, since it is smaller than the sum of its proper divisors (74523434811084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30212203300020 is a wasteful number, since it uses less digits than its factorization.
30212203300020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23977939149 (or 23977939144 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 30212203300020 its reverse (2000330221203), we get a palindrome (32212533521223).
The spelling of 30212203300020 in words is "thirty trillion, two hundred twelve billion, two hundred three million, three hundred thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •