Base | Representation |
---|---|
bin | 100100011100101… |
… | …1011001110110111 |
3 | 10011020022111212000 |
4 | 1020321123032313 |
5 | 10001042411203 |
6 | 321205230343 |
7 | 42210304311 |
oct | 11071331667 |
9 | 3136274760 |
10 | 1223013303 |
11 | 5783a4aa6 |
12 | 2a17023b3 |
13 | 1664c1315 |
14 | b86007b1 |
15 | 725844a3 |
hex | 48e5b3b7 |
1223013303 has 16 divisors (see below), whose sum is σ = 1918452960. Its totient is φ = 767380608.
The previous prime is 1223013283. The next prime is 1223013349. The reversal of 1223013303 is 3033103221.
It is not a de Polignac number, because 1223013303 - 213 = 1223005111 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1223013373) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1331800 + ... + 1332717.
It is an arithmetic number, because the mean of its divisors is an integer number (119903310).
Almost surely, 21223013303 is an apocalyptic number.
1223013303 is a deficient number, since it is larger than the sum of its proper divisors (695439657).
1223013303 is a wasteful number, since it uses less digits than its factorization.
1223013303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2664543 (or 2664537 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
The square root of 1223013303 is about 34971.6070977586. The cubic root of 1223013303 is about 1069.4087346807.
Adding to 1223013303 its reverse (3033103221), we get a palindrome (4256116524).
The spelling of 1223013303 in words is "one billion, two hundred twenty-three million, thirteen thousand, three hundred three".
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