Base | Representation |
---|---|
bin | 100100001001101… |
… | …1111000000110001 |
3 | 10010112121012112000 |
4 | 1020103133000301 |
5 | 4441021123223 |
6 | 320212124213 |
7 | 42026621253 |
oct | 11023370061 |
9 | 3115535460 |
10 | 1213067313 |
11 | 572821477 |
12 | 29a306669 |
13 | 16441b213 |
14 | b7171cd3 |
15 | 7176c543 |
hex | 484df031 |
1213067313 has 8 divisors (see below), whose sum is σ = 1797136800. Its totient is φ = 808711524.
The previous prime is 1213067309. The next prime is 1213067329. The reversal of 1213067313 is 3137603121.
It is not a de Polignac number, because 1213067313 - 22 = 1213067309 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 44928419 = 1213067313 / (1 + 2 + 1 + 3 + 0 + 6 + 7 + 3 + 1 + 3).
It is not an unprimeable number, because it can be changed into a prime (1213067363) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22464183 + ... + 22464236.
It is an arithmetic number, because the mean of its divisors is an integer number (224642100).
Almost surely, 21213067313 is an apocalyptic number.
It is an amenable number.
1213067313 is a deficient number, since it is larger than the sum of its proper divisors (584069487).
1213067313 is an equidigital number, since it uses as much as digits as its factorization.
1213067313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44928428 (or 44928422 counting only the distinct ones).
The product of its (nonzero) digits is 2268, while the sum is 27.
The square root of 1213067313 is about 34829.1158802517. The cubic root of 1213067313 is about 1066.5019000166.
The spelling of 1213067313 in words is "one billion, two hundred thirteen million, sixty-seven thousand, three hundred thirteen".
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