Base | Representation |
---|---|
bin | 1100001110011011001… |
… | …0111001001000111010 |
3 | 202002010101111110110101 |
4 | 3003212302321020322 |
5 | 11420120303444010 |
6 | 240253043110014 |
7 | 21113516026000 |
oct | 3034662711072 |
9 | 662111443411 |
10 | 210030531130 |
11 | 81089839752 |
12 | 3485697230a |
13 | 16a624392b4 |
14 | a246310a70 |
15 | 56e3d6373a |
hex | 30e6cb923a |
210030531130 has 96 divisors (see below), whose sum is σ = 449376480000. Its totient is φ = 70648538688.
The previous prime is 210030531119. The next prime is 210030531167. The reversal of 210030531130 is 31135030012.
210030531130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2100305311302 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 210030531098 and 210030531107.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 9623971 + ... + 9645769.
It is an arithmetic number, because the mean of its divisors is an integer number (4681005000).
Almost surely, 2210030531130 is an apocalyptic number.
210030531130 is an abundant number, since it is smaller than the sum of its proper divisors (239345948870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210030531130 is an equidigital number, since it uses as much as digits as its factorization.
210030531130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21933 (or 21866 counting only the distinct ones).
The product of its (nonzero) digits is 270, while the sum is 19.
Adding to 210030531130 its reverse (31135030012), we get a palindrome (241165561142).
The spelling of 210030531130 in words is "two hundred ten billion, thirty million, five hundred thirty-one thousand, one hundred thirty".
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