Base | Representation |
---|---|
bin | 10111101010000001… |
… | …00111000000111101 |
3 | 1012210010020212121002 |
4 | 23311000213000331 |
5 | 202002312343232 |
6 | 5500132020045 |
7 | 626505400463 |
oct | 136500470075 |
9 | 35703225532 |
10 | 12700512317 |
11 | 5428120979 |
12 | 2565461625 |
13 | 127532315c |
14 | 886a8a833 |
15 | 4e4ee4b62 |
hex | 2f502703d |
12700512317 has 2 divisors, whose sum is σ = 12700512318. Its totient is φ = 12700512316.
The previous prime is 12700512311. The next prime is 12700512359. The reversal of 12700512317 is 71321500721.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7675687321 + 5024824996 = 87611^2 + 70886^2 .
It is a cyclic number.
It is not a de Polignac number, because 12700512317 - 214 = 12700495933 is a prime.
It is a super-2 number, since 2×127005123172 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12700512317.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12700512311) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6350256158 + 6350256159.
It is an arithmetic number, because the mean of its divisors is an integer number (6350256159).
Almost surely, 212700512317 is an apocalyptic number.
It is an amenable number.
12700512317 is a deficient number, since it is larger than the sum of its proper divisors (1).
12700512317 is an equidigital number, since it uses as much as digits as its factorization.
12700512317 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2940, while the sum is 29.
The spelling of 12700512317 in words is "twelve billion, seven hundred million, five hundred twelve thousand, three hundred seventeen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •