Base | Representation |
---|---|
bin | 1101101110111100000110… |
… | …11111110011100010001101 |
3 | 10221221002210101001121020121 |
4 | 12313132003133303202031 |
5 | 12424244322012223041 |
6 | 144121424423144541 |
7 | 6234613104540136 |
oct | 667360337634215 |
9 | 127832711047217 |
10 | 30200121211021 |
11 | 9693888120953 |
12 | 3478b9b5a5151 |
13 | 13b0b228ba608 |
14 | 76599d5c0c8d |
15 | 375893be27d1 |
hex | 1b77837f388d |
30200121211021 has 8 divisors (see below), whose sum is σ = 30246248919744. Its totient is φ = 30154008239040.
The previous prime is 30200121210997. The next prime is 30200121211033. The reversal of 30200121211021 is 12011212100203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30200121211021 - 223 = 30200112822413 is a prime.
It is a super-2 number, since 2×302001212110212 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30200121210986 and 30200121211004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30200121221021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421050 + ... + 7783156.
It is an arithmetic number, because the mean of its divisors is an integer number (3780781114968).
Almost surely, 230200121211021 is an apocalyptic number.
It is an amenable number.
30200121211021 is a deficient number, since it is larger than the sum of its proper divisors (46127708723).
30200121211021 is an equidigital number, since it uses as much as digits as its factorization.
30200121211021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7368371.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 30200121211021 its reverse (12011212100203), we get a palindrome (42211333311224).
The spelling of 30200121211021 in words is "thirty trillion, two hundred billion, one hundred twenty-one million, two hundred eleven thousand, twenty-one".
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