Base | Representation |
---|---|
bin | 100111010111101… |
… | …0000111111010011 |
3 | 10102001201102102221 |
4 | 1032233100333103 |
5 | 10201134410303 |
6 | 335025521511 |
7 | 44510266306 |
oct | 11657207723 |
9 | 3361642387 |
10 | 1321013203 |
11 | 61874a854 |
12 | 30a4a3297 |
13 | 1808b4623 |
14 | c7630b3d |
15 | 7ae914bd |
hex | 4ebd0fd3 |
1321013203 has 8 divisors (see below), whose sum is σ = 1399127472. Its totient is φ = 1242944256.
The previous prime is 1321013201. The next prime is 1321013207. The reversal of 1321013203 is 3023101231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1321013203 - 21 = 1321013201 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1321013201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62476 + ... + 80902.
It is an arithmetic number, because the mean of its divisors is an integer number (174890934).
Almost surely, 21321013203 is an apocalyptic number.
1321013203 is a deficient number, since it is larger than the sum of its proper divisors (78114269).
1321013203 is a wasteful number, since it uses less digits than its factorization.
1321013203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22661.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 1321013203 is about 36345.7453218393. The cubic root of 1321013203 is about 1097.2419065063.
Adding to 1321013203 its reverse (3023101231), we get a palindrome (4344114434).
The spelling of 1321013203 in words is "one billion, three hundred twenty-one million, thirteen thousand, two hundred three".
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