Base | Representation |
---|---|
bin | 111111000010101… |
… | …1001001111010001 |
3 | 12110102101120111122 |
4 | 1332011121033101 |
5 | 13313011441223 |
6 | 545523052025 |
7 | 103264056446 |
oct | 17605311721 |
9 | 5412346448 |
10 | 2115343313 |
11 | 996068816 |
12 | 4b0511015 |
13 | 279330845 |
14 | 160d219cd |
15 | c5a985c8 |
hex | 7e1593d1 |
2115343313 has 4 divisors (see below), whose sum is σ = 2117795328. Its totient is φ = 2112891300.
The previous prime is 2115343301. The next prime is 2115343319. The reversal of 2115343313 is 3133435112.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2115343313 - 28 = 2115343057 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2115343319) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 1224713 + ... + 1226438.
It is an arithmetic number, because the mean of its divisors is an integer number (529448832).
Almost surely, 22115343313 is an apocalyptic number.
It is an amenable number.
2115343313 is a deficient number, since it is larger than the sum of its proper divisors (2452015).
2115343313 is an equidigital number, since it uses as much as digits as its factorization.
2115343313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2452014.
The product of its digits is 3240, while the sum is 26.
The square root of 2115343313 is about 45992.8615439396. The cubic root of 2115343313 is about 1283.6903820980.
Adding to 2115343313 its reverse (3133435112), we get a palindrome (5248778425).
The spelling of 2115343313 in words is "two billion, one hundred fifteen million, three hundred forty-three thousand, three hundred thirteen".
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