Base | Representation |
---|---|
bin | 110001101110… |
… | …101001011011 |
3 | 220112022012101 |
4 | 301232221123 |
5 | 11314123443 |
6 | 1143224231 |
7 | 215543122 |
oct | 61565133 |
9 | 26468171 |
10 | 13036123 |
11 | 73a4261 |
12 | 4448077 |
13 | 29157a9 |
14 | 1a34ab9 |
15 | 122784d |
hex | c6ea5b |
13036123 has 4 divisors (see below), whose sum is σ = 13230760. Its totient is φ = 12841488.
The previous prime is 13036043. The next prime is 13036139. The reversal of 13036123 is 32163031.
It is a semiprime because it is the product of two primes.
It is a de Polignac number, because none of the positive numbers 2k-13036123 is a prime.
It is a super-2 number, since 2×130361232 = 339881005742258, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13036123.
It is not an unprimeable number, because it can be changed into a prime (13036183) 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, 97218 + ... + 97351.
It is an arithmetic number, because the mean of its divisors is an integer number (3307690).
Almost surely, 213036123 is an apocalyptic number.
13036123 is a deficient number, since it is larger than the sum of its proper divisors (194637).
13036123 is an equidigital number, since it uses as much as digits as its factorization.
13036123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194636.
The product of its (nonzero) digits is 324, while the sum is 19.
The square root of 13036123 is about 3610.5571592207. The cubic root of 13036123 is about 235.3510552147.
Adding to 13036123 its reverse (32163031), we get a palindrome (45199154).
The spelling of 13036123 in words is "thirteen million, thirty-six thousand, one hundred twenty-three".
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