Base | Representation |
---|---|
bin | 110010000110… |
… | …110110010101 |
3 | 220201100011212 |
4 | 302012312111 |
5 | 11330312003 |
6 | 1145311205 |
7 | 216435125 |
oct | 62066625 |
9 | 26640155 |
10 | 13135253 |
11 | 746178a |
12 | 4495505 |
13 | 294b951 |
14 | 1a5cc85 |
15 | 1246dd8 |
hex | c86d95 |
13135253 has 4 divisors (see below), whose sum is σ = 13440768. Its totient is φ = 12829740.
The previous prime is 13135247. The next prime is 13135279. The reversal of 13135253 is 35253131.
13135253 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35253131 = 461 ⋅76471.
It is a cyclic number.
It is not a de Polignac number, because 13135253 - 26 = 13135189 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13135153) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152693 + ... + 152778.
It is an arithmetic number, because the mean of its divisors is an integer number (3360192).
Almost surely, 213135253 is an apocalyptic number.
It is an amenable number.
13135253 is a deficient number, since it is larger than the sum of its proper divisors (305515).
13135253 is an equidigital number, since it uses as much as digits as its factorization.
13135253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 305514.
The product of its digits is 1350, while the sum is 23.
The square root of 13135253 is about 3624.2589587390. The cubic root of 13135253 is about 235.9461059066.
Adding to 13135253 its reverse (35253131), we get a palindrome (48388384).
The spelling of 13135253 in words is "thirteen million, one hundred thirty-five thousand, two hundred fifty-three".
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