Base | Representation |
---|---|
bin | 100111001000101100110… |
… | …101011110101111110011 |
3 | 100112002211000212002010202 |
4 | 213020230311132233303 |
5 | 323030343321304441 |
6 | 5415254420545415 |
7 | 365205611434106 |
oct | 47105465365763 |
9 | 10462730762122 |
10 | 2689401744371 |
11 | 947629199131 |
12 | 37528325226b |
13 | 1667c00a9224 |
14 | 9424c3c073d |
15 | 49e5690119b |
hex | 2722cd5ebf3 |
2689401744371 has 2 divisors, whose sum is σ = 2689401744372. Its totient is φ = 2689401744370.
The previous prime is 2689401744311. The next prime is 2689401744397. The reversal of 2689401744371 is 1734471049862.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2689401744371 is a prime.
It is a Sophie Germain prime.
It is not a weakly prime, because it can be changed into another prime (2689401744311) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344700872185 + 1344700872186.
It is an arithmetic number, because the mean of its divisors is an integer number (1344700872186).
Almost surely, 22689401744371 is an apocalyptic number.
2689401744371 is a deficient number, since it is larger than the sum of its proper divisors (1).
2689401744371 is an equidigital number, since it uses as much as digits as its factorization.
2689401744371 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8128512, while the sum is 56.
The spelling of 2689401744371 in words is "two trillion, six hundred eighty-nine billion, four hundred one million, seven hundred forty-four thousand, three hundred seventy-one".
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