Base | Representation |
---|---|
bin | 110001111111100000111… |
… | …0001011111110100100101 |
3 | 220022212000002110122200122 |
4 | 1203333001301133310211 |
5 | 1400033102320400024 |
6 | 22340241035251325 |
7 | 1306256253455213 |
oct | 143770161376445 |
9 | 26285002418618 |
10 | 6870903684389 |
11 | 2209a30007718 |
12 | 92b7638a9b45 |
13 | 3aac00a3a4b4 |
14 | 19a7a6ba5cb3 |
15 | bdadbd93d5e |
hex | 63fc1c5fd25 |
6870903684389 has 2 divisors, whose sum is σ = 6870903684390. Its totient is φ = 6870903684388.
The previous prime is 6870903684317. The next prime is 6870903684401. The reversal of 6870903684389 is 9834863090786.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6837482360164 + 33421324225 = 2614858^2 + 182815^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-6870903684389 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (6870903689389) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3435451842194 + 3435451842195.
It is an arithmetic number, because the mean of its divisors is an integer number (3435451842195).
Almost surely, 26870903684389 is an apocalyptic number.
It is an amenable number.
6870903684389 is a deficient number, since it is larger than the sum of its proper divisors (1).
6870903684389 is an equidigital number, since it uses as much as digits as its factorization.
6870903684389 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 376233984, while the sum is 71.
The spelling of 6870903684389 in words is "six trillion, eight hundred seventy billion, nine hundred three million, six hundred eighty-four thousand, three hundred eighty-nine".
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