Base | Representation |
---|---|
bin | 10111101111111011… |
… | …00000100111001011 |
3 | 1012220120102200212202 |
4 | 23313331200213023 |
5 | 202103002000212 |
6 | 5505101230415 |
7 | 630646322636 |
oct | 136775404713 |
9 | 35816380782 |
10 | 12750031307 |
11 | 5453073262 |
12 | 2579b6240b |
13 | 1282670630 |
14 | 88d49ac1d |
15 | 4e95270c2 |
hex | 2f7f609cb |
12750031307 has 8 divisors (see below), whose sum is σ = 13732071360. Its totient is φ = 11768172480.
The previous prime is 12750031303. The next prime is 12750031367. The reversal of 12750031307 is 70313005721.
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 12750031307 - 22 = 12750031303 is a prime.
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 12750031307.
It is not an unprimeable number, because it can be changed into a prime (12750031303) 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, 124382 + ... + 202412.
It is an arithmetic number, because the mean of its divisors is an integer number (1716508920).
Almost surely, 212750031307 is an apocalyptic number.
12750031307 is a deficient number, since it is larger than the sum of its proper divisors (982040053).
12750031307 is a wasteful number, since it uses less digits than its factorization.
12750031307 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90613.
The product of its (nonzero) digits is 4410, while the sum is 29.
The spelling of 12750031307 in words is "twelve billion, seven hundred fifty million, thirty-one thousand, three hundred seven".
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