Base | Representation |
---|---|
bin | 110001101000… |
… | …100100110101 |
3 | 220111001002021 |
4 | 301220210311 |
5 | 11312330003 |
6 | 1142513141 |
7 | 215410453 |
oct | 61504465 |
9 | 26431067 |
10 | 13011253 |
11 | 7387602 |
12 | 44357b1 |
13 | 2907388 |
14 | 1a299d3 |
15 | 12202bd |
hex | c68935 |
13011253 has 2 divisors, whose sum is σ = 13011254. Its totient is φ = 13011252.
The previous prime is 13011223. The next prime is 13011281. The reversal of 13011253 is 35211031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8162449 + 4848804 = 2857^2 + 2202^2 .
It is a cyclic number.
It is not a de Polignac number, because 13011253 - 213 = 13003061 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13011203) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6505626 + 6505627.
It is an arithmetic number, because the mean of its divisors is an integer number (6505627).
Almost surely, 213011253 is an apocalyptic number.
It is an amenable number.
13011253 is a deficient number, since it is larger than the sum of its proper divisors (1).
13011253 is an equidigital number, since it uses as much as digits as its factorization.
13011253 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 90, while the sum is 16.
The square root of 13011253 is about 3607.1114482367. Note that the first 3 decimals coincide. The cubic root of 13011253 is about 235.2012942549.
Adding to 13011253 its reverse (35211031), we get a palindrome (48222284).
The spelling of 13011253 in words is "thirteen million, eleven thousand, two hundred fifty-three".
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