Search a number
-
+
26971475309803 is a prime number
BaseRepresentation
bin1100010000111110010010…
…01101000111010011101011
310112111110002111012002020201
412020133021031013103223
512013400040134403203
6133210305200333031
75452424205306043
oct610371115072353
9115443074162221
1026971475309803
1186595a1738452
123037304614177
1312085260a334b
146935d7d62723
1531b8cb229e1d
hex1887c93474eb

26971475309803 has 2 divisors, whose sum is σ = 26971475309804. Its totient is φ = 26971475309802.

The previous prime is 26971475309797. The next prime is 26971475309917. The reversal of 26971475309803 is 30890357417962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26971475309803 - 225 = 26971441755371 is a prime.

It is not a weakly prime, because it can be changed into another prime (26971475309503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13485737654901 + 13485737654902.

It is an arithmetic number, because the mean of its divisors is an integer number (13485737654902).

It is a 1-persistent number, because it is pandigital, but 2⋅26971475309803 = 53942950619606 is not.

Almost surely, 226971475309803 is an apocalyptic number.

26971475309803 is a deficient number, since it is larger than the sum of its proper divisors (1).

26971475309803 is an equidigital number, since it uses as much as digits as its factorization.

26971475309803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68584320, while the sum is 64.

The spelling of 26971475309803 in words is "twenty-six trillion, nine hundred seventy-one billion, four hundred seventy-five million, three hundred nine thousand, eight hundred three".