Base | Representation |
---|---|
bin | 100000110100100… |
… | …1010100100000101 |
3 | 2211202022100121011 |
4 | 1001221022210011 |
5 | 4223413411323 |
6 | 301140522221 |
7 | 36201660643 |
oct | 10151124405 |
9 | 2752270534 |
10 | 1101310213 |
11 | 51572a733 |
12 | 2689b0371 |
13 | 14721c163 |
14 | a63a0193 |
15 | 66a4420d |
hex | 41a4a905 |
1101310213 has 4 divisors (see below), whose sum is σ = 1102109068. Its totient is φ = 1100511360.
The previous prime is 1101310211. The next prime is 1101310229. The reversal of 1101310213 is 3120131011.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3120131011 = 19541 ⋅159671.
It can be written as a sum of positive squares in 2 ways, for example, as 721567044 + 379743169 = 26862^2 + 19487^2 .
It is a cyclic number.
It is not a de Polignac number, because 1101310213 - 21 = 1101310211 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1101310193 and 1101310202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1101310211) 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, 397356 + ... + 400117.
It is an arithmetic number, because the mean of its divisors is an integer number (275527267).
Almost surely, 21101310213 is an apocalyptic number.
It is an amenable number.
1101310213 is a deficient number, since it is larger than the sum of its proper divisors (798855).
1101310213 is an equidigital number, since it uses as much as digits as its factorization.
1101310213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 798854.
The product of its (nonzero) digits is 18, while the sum is 13.
The square root of 1101310213 is about 33185.9942294939. The cubic root of 1101310213 is about 1032.6898033929.
Adding to 1101310213 its reverse (3120131011), we get a palindrome (4221441224).
The spelling of 1101310213 in words is "one billion, one hundred one million, three hundred ten thousand, two hundred thirteen".
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