| Base | Representation |
|---|---|
| bin | 1000110100011100000… |
| … | …11111111010101000100 |
| 3 | 1001222011202111221101000 |
| 4 | 10122032003333111010 |
| 5 | 14431101431334340 |
| 6 | 351113252333300 |
| 7 | 30615252013422 |
| oct | 4321603772504 |
| 9 | 1058152457330 |
| 10 | 303031121220 |
| 11 | 107573193563 |
| 12 | 4a890614230 |
| 13 | 22763abb569 |
| 14 | 1094992a112 |
| 15 | 7d3884dd30 |
| hex | 468e0ff544 |
303031121220 has 384 divisors, whose sum is σ = 1040275353600. Its totient is φ = 72891270144.
The previous prime is 303031121213. The next prime is 303031121221. The reversal of 303031121220 is 22121130303.
303031121220 is a `hidden beast` number, since 30 + 303 + 112 + 1 + 220 = 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 = 303031121193 and 303031121202.
It is not an unprimeable number, because it can be changed into a prime (303031121221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 53564632 + ... + 53570288.
It is an arithmetic number, because the mean of its divisors is an integer number (2709050400).
Almost surely, 2303031121220 is an apocalyptic number.
303031121220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 303031121220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520137676800).
303031121220 is an abundant number, since it is smaller than the sum of its proper divisors (737244232380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
303031121220 is a wasteful number, since it uses less digits than its factorization.
303031121220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5944 (or 5936 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 303031121220 its reverse (22121130303), we get a palindrome (325152251523).
The spelling of 303031121220 in words is "three hundred three billion, thirty-one million, one hundred twenty-one thousand, two hundred twenty".
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