Base | Representation |
---|---|
bin | 100110110111011… |
… | …0101001100001010 |
3 | 10100212221021020100 |
4 | 1031232311030022 |
5 | 10132323401442 |
6 | 333223510230 |
7 | 44213566212 |
oct | 11556651412 |
9 | 3325837210 |
10 | 1304122122 |
11 | 60a163286 |
12 | 3048b8376 |
13 | 17a24c2c4 |
14 | c52b5242 |
15 | 7975684c |
hex | 4dbb530a |
1304122122 has 24 divisors (see below), whose sum is σ = 2991810276. Its totient is φ = 409136256.
The previous prime is 1304122121. The next prime is 1304122147. The reversal of 1304122122 is 2212214031.
It is a happy number.
1304122122 is a `hidden beast` number, since 130 + 412 + 2 + 122 = 666.
1304122122 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 1231378281 + 72743841 = 35091^2 + 8529^2 .
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 = 1304122095 and 1304122104.
It is not an unprimeable number, because it can be changed into a prime (1304122121) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2130613 + ... + 2131224.
Almost surely, 21304122122 is an apocalyptic number.
1304122122 is an abundant number, since it is smaller than the sum of its proper divisors (1687688154).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1304122122 is a wasteful number, since it uses less digits than its factorization.
1304122122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4261862 (or 4261859 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
The square root of 1304122122 is about 36112.6310589522. The cubic root of 1304122122 is about 1092.5452184172.
Adding to 1304122122 its reverse (2212214031), we get a palindrome (3516336153).
The spelling of 1304122122 in words is "one billion, three hundred four million, one hundred twenty-two thousand, one hundred twenty-two".
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