Base | Representation |
---|---|
bin | 101101111100… |
… | …110011001001 |
3 | 211122222100010 |
4 | 231330303021 |
5 | 11040424023 |
6 | 1110102133 |
7 | 204246054 |
oct | 55746311 |
9 | 24588303 |
10 | 12045513 |
11 | 6887a77 |
12 | 404a949 |
13 | 265992c |
14 | 1857a9b |
15 | 10ce093 |
hex | b7ccc9 |
12045513 has 8 divisors (see below), whose sum is σ = 16452576. Its totient is φ = 7834400.
The previous prime is 12045497. The next prime is 12045521. The reversal of 12045513 is 31554021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12045513 - 24 = 12045497 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 12045513.
It is not an unprimeable number, because it can be changed into a prime (12045713) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48843 + ... + 49088.
It is an arithmetic number, because the mean of its divisors is an integer number (2056572).
Almost surely, 212045513 is an apocalyptic number.
It is an amenable number.
12045513 is a deficient number, since it is larger than the sum of its proper divisors (4407063).
12045513 is an equidigital number, since it uses as much as digits as its factorization.
12045513 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97975.
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 12045513 is about 3470.6646337553. The cubic root of 12045513 is about 229.2319243502.
Adding to 12045513 its reverse (31554021), we get a palindrome (43599534).
The spelling of 12045513 in words is "twelve million, forty-five thousand, five hundred thirteen".
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