Base | Representation |
---|---|
bin | 111100011001000… |
… | …110100000100111 |
3 | 2121121112120020200 |
4 | 330121012200213 |
5 | 4033340310343 |
6 | 244312401543 |
7 | 34052112261 |
oct | 7431064047 |
9 | 2547476220 |
10 | 1013213223 |
11 | 47aa29100 |
12 | 2433a62b3 |
13 | 131bb5469 |
14 | 987cab31 |
15 | 5de414d3 |
hex | 3c646827 |
1013213223 has 36 divisors (see below), whose sum is σ = 1664197080. Its totient is φ = 592875360.
The previous prime is 1013213219. The next prime is 1013213231. The reversal of 1013213223 is 3223123101.
It is not a de Polignac number, because 1013213223 - 22 = 1013213219 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1013213196 and 1013213205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1013213213) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15540 + ... + 47622.
Almost surely, 21013213223 is an apocalyptic number.
1013213223 is a deficient number, since it is larger than the sum of its proper divisors (650983857).
1013213223 is a wasteful number, since it uses less digits than its factorization.
1013213223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32140 (or 32126 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 1013213223 is about 31831.0103986663. The cubic root of 1013213223 is about 1004.3851500178.
Adding to 1013213223 its reverse (3223123101), we get a palindrome (4236336324).
The spelling of 1013213223 in words is "one billion, thirteen million, two hundred thirteen thousand, two hundred twenty-three".
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