Base | Representation |
---|---|
bin | 111111110110001100011000… |
… | …000100100100000000000001 |
3 | 1100211020022122102022201210012 |
4 | 333312030120010210000001 |
5 | 243301121043044210101 |
6 | 2433114121523114305 |
7 | 113101131205126205 |
oct | 7766143004440001 |
9 | 1324208572281705 |
10 | 280801070694401 |
11 | 81521079a35794 |
12 | 275b1166512995 |
13 | c08b572b5a53a |
14 | 4d4abb6c10b05 |
15 | 226e430cb2bbb |
hex | ff6318124001 |
280801070694401 has 2 divisors, whose sum is σ = 280801070694402. Its totient is φ = 280801070694400.
The previous prime is 280801070694379. The next prime is 280801070694409. The reversal of 280801070694401 is 104496070108082.
It is a Cunningham number, because it is equal to 167571202+1.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 280801070694400 + 1 = 16757120^2 + 1^2 .
It is a cyclic number.
It is not a de Polignac number, because 280801070694401 - 218 = 280801070432257 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 280801070694401.
It is not a weakly prime, because it can be changed into another prime (280801070694409) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140400535347200 + 140400535347201.
It is an arithmetic number, because the mean of its divisors is an integer number (140400535347201).
Almost surely, 2280801070694401 is an apocalyptic number.
It is an amenable number.
280801070694401 is a deficient number, since it is larger than the sum of its proper divisors (1).
280801070694401 is an equidigital number, since it uses as much as digits as its factorization.
280801070694401 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 774144, while the sum is 50.
The spelling of 280801070694401 in words is "two hundred eighty trillion, eight hundred one billion, seventy million, six hundred ninety-four thousand, four hundred one".
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