Base | Representation |
---|---|
bin | 1101101111100001101100… |
… | …10000100011010000001101 |
3 | 10222000000212200101121100200 |
4 | 12313300312100203100031 |
5 | 12430112133322444041 |
6 | 144135003025044113 |
7 | 6236226132253455 |
oct | 667606620432015 |
9 | 128000780347320 |
10 | 30220300203021 |
11 | 96a13a2694245 |
12 | 3480a91486639 |
13 | 13b29ba3a5376 |
14 | 76695557ad65 |
15 | 3761755181b6 |
hex | 1b7c3642340d |
30220300203021 has 24 divisors (see below), whose sum is σ = 43667179920000. Its totient is φ = 20139651402432.
The previous prime is 30220300203019. The next prime is 30220300203083. The reversal of 30220300203021 is 12030200302203.
It is a happy number.
30220300203021 is a `hidden beast` number, since 302 + 20 + 300 + 20 + 3 + 0 + 21 = 666.
It is not a de Polignac number, because 30220300203021 - 21 = 30220300203019 is a prime.
It is a super-2 number, since 2×302203002030212 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30220300202985 and 30220300203003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30220300203001) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 677882110 + ... + 677926688.
It is an arithmetic number, because the mean of its divisors is an integer number (1819465830000).
Almost surely, 230220300203021 is an apocalyptic number.
It is an amenable number.
30220300203021 is a deficient number, since it is larger than the sum of its proper divisors (13446879716979).
30220300203021 is a wasteful number, since it uses less digits than its factorization.
30220300203021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69873 (or 69870 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 30220300203021 its reverse (12030200302203), we get a palindrome (42250500505224).
The spelling of 30220300203021 in words is "thirty trillion, two hundred twenty billion, three hundred million, two hundred three thousand, twenty-one".
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