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280801070694401 is a prime number
BaseRepresentation
bin111111110110001100011000…
…000100100100000000000001
31100211020022122102022201210012
4333312030120010210000001
5243301121043044210101
62433114121523114305
7113101131205126205
oct7766143004440001
91324208572281705
10280801070694401
1181521079a35794
12275b1166512995
13c08b572b5a53a
144d4abb6c10b05
15226e430cb2bbb
hexff6318124001

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".