Base | Representation |
---|---|
bin | 10111110110110110… |
… | …01000001110111001 |
3 | 1020001121202021202112 |
4 | 23323123020032321 |
5 | 202212340034132 |
6 | 5514534342105 |
7 | 632253200231 |
oct | 137333101671 |
9 | 36047667675 |
10 | 12808127417 |
11 | 5482943778 |
12 | 25954ba935 |
13 | 1291701b27 |
14 | 8970a0cc1 |
15 | 4ee6a0ab2 |
hex | 2fb6c83b9 |
12808127417 has 2 divisors, whose sum is σ = 12808127418. Its totient is φ = 12808127416.
The previous prime is 12808127413. The next prime is 12808127441. The reversal of 12808127417 is 71472180821.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 10898524816 + 1909602601 = 104396^2 + 43699^2 .
It is a cyclic number.
It is not a de Polignac number, because 12808127417 - 22 = 12808127413 is a prime.
It is not a weakly prime, because it can be changed into another prime (12808127413) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6404063708 + 6404063709.
It is an arithmetic number, because the mean of its divisors is an integer number (6404063709).
Almost surely, 212808127417 is an apocalyptic number.
It is an amenable number.
12808127417 is a deficient number, since it is larger than the sum of its proper divisors (1).
12808127417 is an equidigital number, since it uses as much as digits as its factorization.
12808127417 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 50176, while the sum is 41.
The spelling of 12808127417 in words is "twelve billion, eight hundred eight million, one hundred twenty-seven thousand, four hundred seventeen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •