Base | Representation |
---|---|
bin | 1101110001110110011001… |
… | …00011110000001000001100 |
3 | 10222021122221020112222020202 |
4 | 12320323030203300020030 |
5 | 12432414132043331340 |
6 | 144235404345033032 |
7 | 6245053332635135 |
oct | 670731443601014 |
9 | 128248836488222 |
10 | 30300131230220 |
11 | 972223917a585 |
12 | 3494450785778 |
13 | 13ba3a04c7577 |
14 | 76a769accc8c |
15 | 378298c5ac15 |
hex | 1b8ecc8f020c |
30300131230220 has 24 divisors (see below), whose sum is σ = 63663537700224. Its totient is φ = 12113716850816.
The previous prime is 30300131230163. The next prime is 30300131230241. The reversal of 30300131230220 is 2203213100303.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 30300131230192 and 30300131230201.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395938364 + ... + 396014883.
It is an arithmetic number, because the mean of its divisors is an integer number (2652647404176).
Almost surely, 230300131230220 is an apocalyptic number.
It is an amenable number.
30300131230220 is an abundant number, since it is smaller than the sum of its proper divisors (33363406470004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30300131230220 is a wasteful number, since it uses less digits than its factorization.
30300131230220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 791955169 (or 791955167 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 30300131230220 its reverse (2203213100303), we get a palindrome (32503344330523).
The spelling of 30300131230220 in words is "thirty trillion, three hundred billion, one hundred thirty-one million, two hundred thirty thousand, two hundred twenty".
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