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26208000389 is a prime number
BaseRepresentation
bin11000011010000111…
…100101100110000101
32111122110222100211002
4120122013211212011
5412133222003024
620012332223045
71615313220254
oct303207454605
974573870732
1026208000389
111012980765a
1250b500aa85
13261889c34c
1413a899a79b
15a35c8d6ae
hex61a1e5985

26208000389 has 2 divisors, whose sum is σ = 26208000390. Its totient is φ = 26208000388.

The previous prime is 26208000373. The next prime is 26208000397. The reversal of 26208000389 is 98300080262.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25681665025 + 526335364 = 160255^2 + 22942^2 .

It is a cyclic number.

It is not a de Polignac number, because 26208000389 - 24 = 26208000373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26208000589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13104000194 + 13104000195.

It is an arithmetic number, because the mean of its divisors is an integer number (13104000195).

Almost surely, 226208000389 is an apocalyptic number.

It is an amenable number.

26208000389 is a deficient number, since it is larger than the sum of its proper divisors (1).

26208000389 is an equidigital number, since it uses as much as digits as its factorization.

26208000389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 26208000389 in words is "twenty-six billion, two hundred eight million, three hundred eighty-nine", and thus it is an aban number.