Base | Representation |
---|---|
bin | 100111000011000… |
… | …0110101010011101 |
3 | 10101022102020001222 |
4 | 1032012012222131 |
5 | 10140404114010 |
6 | 334002343125 |
7 | 44316466100 |
oct | 11606065235 |
9 | 3338366058 |
10 | 1310223005 |
11 | 61264aa33 |
12 | 30695aaa5 |
13 | 17b5a71b0 |
14 | c6022737 |
15 | 7a05e355 |
hex | 4e186a9d |
1310223005 has 48 divisors (see below), whose sum is σ = 1989643824. Its totient is φ = 820915200.
The previous prime is 1310223001. The next prime is 1310223011. The reversal of 1310223005 is 5003220131.
It can be written as a sum of positive squares in 8 ways, for example, as 51179716 + 1259043289 = 7154^2 + 35483^2 .
It is not a de Polignac number, because 1310223005 - 22 = 1310223001 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1310223001) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 319649 + ... + 323721.
It is an arithmetic number, because the mean of its divisors is an integer number (41450913).
Almost surely, 21310223005 is an apocalyptic number.
It is an amenable number.
1310223005 is a deficient number, since it is larger than the sum of its proper divisors (679420819).
1310223005 is a wasteful number, since it uses less digits than its factorization.
1310223005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4206 (or 4199 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 1310223005 is about 36197.0027074066. The cubic root of 1310223005 is about 1094.2462665286.
Adding to 1310223005 its reverse (5003220131), we get a palindrome (6313443136).
The spelling of 1310223005 in words is "one billion, three hundred ten million, two hundred twenty-three thousand, five".
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