Base | Representation |
---|---|
bin | 100111000110100… |
… | …0011010010111111 |
3 | 10101102211202022111 |
4 | 1032031003102333 |
5 | 10141340403343 |
6 | 334105354451 |
7 | 44341122550 |
oct | 11615032277 |
9 | 3342752274 |
10 | 1312044223 |
11 | 613684276 |
12 | 307498a27 |
13 | 17ba94139 |
14 | c6378327 |
15 | 7a2bdc9d |
hex | 4e3434bf |
1312044223 has 8 divisors (see below), whose sum is σ = 1564674048. Its totient is φ = 1075713144.
The previous prime is 1312044197. The next prime is 1312044229. The reversal of 1312044223 is 3224402131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1312044223 - 221 = 1309947071 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1312044194 and 1312044203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1312044229) 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 7 ways as a sum of consecutive naturals, for example, 4074511 + ... + 4074832.
It is an arithmetic number, because the mean of its divisors is an integer number (195584256).
Almost surely, 21312044223 is an apocalyptic number.
1312044223 is a deficient number, since it is larger than the sum of its proper divisors (252629825).
1312044223 is an equidigital number, since it uses as much as digits as its factorization.
1312044223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8149373.
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 1312044223 is about 36222.1509990779. The cubic root of 1312044223 is about 1094.7530348010.
Adding to 1312044223 its reverse (3224402131), we get a palindrome (4536446354).
The spelling of 1312044223 in words is "one billion, three hundred twelve million, forty-four thousand, two hundred twenty-three".
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