Base | Representation |
---|---|
bin | 111100011000011… |
… | …111011100100101 |
3 | 2121121020102202200 |
4 | 330120133130211 |
5 | 4033320200341 |
6 | 244305125113 |
7 | 34050544635 |
oct | 7430373445 |
9 | 2547212680 |
10 | 1013053221 |
11 | 47a929974 |
12 | 243329799 |
13 | 131b5a69b |
14 | 987886c5 |
15 | 5de0ddb6 |
hex | 3c61f725 |
1013053221 has 12 divisors (see below), whose sum is σ = 1467291072. Its totient is φ = 673526376.
The previous prime is 1013053207. The next prime is 1013053253. The reversal of 1013053221 is 1223503101.
1013053221 is a `hidden beast` number, since 1 + 0 + 130 + 532 + 2 + 1 = 666.
It is not a de Polignac number, because 1013053221 - 210 = 1013052197 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1013053194 and 1013053203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1013053121) 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 11 ways as a sum of consecutive naturals, for example, 150051 + ... + 156656.
It is an arithmetic number, because the mean of its divisors is an integer number (122274256).
Almost surely, 21013053221 is an apocalyptic number.
It is an amenable number.
1013053221 is a deficient number, since it is larger than the sum of its proper divisors (454237851).
1013053221 is a wasteful number, since it uses less digits than its factorization.
1013053221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 307080 (or 307077 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 1013053221 is about 31828.4969956170. The cubic root of 1013053221 is about 1004.3322779310.
Adding to 1013053221 its reverse (1223503101), we get a palindrome (2236556322).
The spelling of 1013053221 in words is "one billion, thirteen million, fifty-three thousand, two hundred twenty-one".
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