Base | Representation |
---|---|
bin | 100100000100000… |
… | …1101110100100001 |
3 | 10010100001010101121 |
4 | 1020020031310201 |
5 | 4434242111223 |
6 | 320024532241 |
7 | 41662536103 |
oct | 11010156441 |
9 | 3110033347 |
10 | 1210113313 |
11 | 571094052 |
12 | 299321081 |
13 | 1639257a6 |
14 | b6a03573 |
15 | 7138715d |
hex | 4820dd21 |
1210113313 has 4 divisors (see below), whose sum is σ = 1221215380. Its totient is φ = 1199011248.
The previous prime is 1210113301. The next prime is 1210113337. The reversal of 1210113313 is 3133110121.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 892097424 + 318015889 = 29868^2 + 17833^2 .
It is a cyclic number.
It is not a de Polignac number, because 1210113313 - 213 = 1210105121 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1210113343) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5550870 + ... + 5551087.
It is an arithmetic number, because the mean of its divisors is an integer number (305303845).
Almost surely, 21210113313 is an apocalyptic number.
It is an amenable number.
1210113313 is a deficient number, since it is larger than the sum of its proper divisors (11102067).
1210113313 is a wasteful number, since it uses less digits than its factorization.
1210113313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11102066.
The product of its (nonzero) digits is 54, while the sum is 16.
The square root of 1210113313 is about 34786.6829835786. The cubic root of 1210113313 is about 1065.6354992507.
Adding to 1210113313 its reverse (3133110121), we get a palindrome (4343223434).
The spelling of 1210113313 in words is "one billion, two hundred ten million, one hundred thirteen thousand, three hundred thirteen".
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