Base | Representation |
---|---|
bin | 10111101111111010… |
… | …11110100110010000 |
3 | 1012220120102021120011 |
4 | 23313331132212100 |
5 | 202103001214211 |
6 | 5505101124304 |
7 | 630646256611 |
oct | 136775364620 |
9 | 35816367504 |
10 | 12750023056 |
11 | 5453068041 |
12 | 2579b59694 |
13 | 1282669954 |
14 | 88d497c08 |
15 | 4e9524921 |
hex | 2f7f5e990 |
12750023056 has 15 divisors (see below), whose sum is σ = 24704044801. Its totient is φ = 6374785696.
The previous prime is 12750023003. The next prime is 12750023059. The reversal of 12750023056 is 65032005721.
The square root of 12750023056 is 112916.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 259725456 + 12490297600 = 16116^2 + 111760^2 .
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12750023059) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 437550 + ... + 465778.
Almost surely, 212750023056 is an apocalyptic number.
12750023056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
12750023056 is the 112916-th square number.
It is an amenable number.
12750023056 is a deficient number, since it is larger than the sum of its proper divisors (11954021745).
12750023056 is an frugal number, since it uses more digits than its factorization.
12750023056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56466 (or 28231 counting only the distinct ones).
The product of its (nonzero) digits is 12600, while the sum is 31.
Adding to 12750023056 its reverse (65032005721), we get a palindrome (77782028777).
The spelling of 12750023056 in words is "twelve billion, seven hundred fifty million, twenty-three thousand, fifty-six".
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