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26815051841 is a prime number
BaseRepresentation
bin11000111110010011…
…010011100001000001
32120012210020202212012
4120332103103201001
5414404123124331
620152455342305
71636334115464
oct307623234101
976183222765
1026815051841
1110410441376
125244381995
1326b45966a6
14142545b2db
15a6e20082b
hex63e4d3841

26815051841 has 2 divisors, whose sum is σ = 26815051842. Its totient is φ = 26815051840.

The previous prime is 26815051829. The next prime is 26815051853. The reversal of 26815051841 is 14815051862.

It is a balanced prime because it is at equal distance from previous prime (26815051829) and next prime (26815051853).

It can be written as a sum of positive squares in only one way, i.e., 25268281600 + 1546770241 = 158960^2 + 39329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26815051841 is a prime.

It is not a weakly prime, because it can be changed into another prime (26815051871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13407525920 + 13407525921.

It is an arithmetic number, because the mean of its divisors is an integer number (13407525921).

Almost surely, 226815051841 is an apocalyptic number.

It is an amenable number.

26815051841 is a deficient number, since it is larger than the sum of its proper divisors (1).

26815051841 is an equidigital number, since it uses as much as digits as its factorization.

26815051841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76800, while the sum is 41.

The spelling of 26815051841 in words is "twenty-six billion, eight hundred fifteen million, fifty-one thousand, eight hundred forty-one".