Base | Representation |
---|---|
bin | 1000110010100100111… |
… | …01010100111000001010 |
3 | 1001212121001212010110200 |
4 | 10121102131110320022 |
5 | 14422024432130442 |
6 | 350430131153030 |
7 | 30551420150451 |
oct | 4312235247012 |
9 | 1055531763420 |
10 | 302031130122 |
11 | 1070aa776437 |
12 | 4a651745776 |
13 | 22634885457 |
14 | 10892bc1b98 |
15 | 7ccab7034c |
hex | 4652754e0a |
302031130122 has 96 divisors (see below), whose sum is σ = 704856381840. Its totient is φ = 93121781760.
The previous prime is 302031130117. The next prime is 302031130147. The reversal of 302031130122 is 221031130203.
302031130122 is a `hidden beast` number, since 30 + 2 + 0 + 311 + 301 + 22 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 254963393721 + 47067736401 = 504939^2 + 216951^2 .
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 = 302031130095 and 302031130104.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24054198 + ... + 24066750.
Almost surely, 2302031130122 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 302031130122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352428190920).
302031130122 is an abundant number, since it is smaller than the sum of its proper divisors (402825251718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
302031130122 is a wasteful number, since it uses less digits than its factorization.
302031130122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13928 (or 13925 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 302031130122 its reverse (221031130203), we get a palindrome (523062260325).
The spelling of 302031130122 in words is "three hundred two billion, thirty-one million, one hundred thirty thousand, one hundred twenty-two".
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