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26405697795041 is a prime number
BaseRepresentation
bin1100000000100000011100…
…01111001011001111100001
310110111100201110222101221202
412000100032033023033201
511430112332113420131
6132054335440530545
75363514543630335
oct600201617131741
9113440643871852
1026405697795041
118460659012604
122b65726920a55
13119707b55a306
14674084c337c5
1530bd15a57bcb
hex18040e3cb3e1

26405697795041 has 2 divisors, whose sum is σ = 26405697795042. Its totient is φ = 26405697795040.

The previous prime is 26405697795023. The next prime is 26405697795049. The reversal of 26405697795041 is 14059779650462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22525664546641 + 3880033248400 = 4746121^2 + 1969780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26405697795041 is a prime.

It is not a weakly prime, because it can be changed into another prime (26405697795049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13202848897520 + 13202848897521.

It is an arithmetic number, because the mean of its divisors is an integer number (13202848897521).

Almost surely, 226405697795041 is an apocalyptic number.

It is an amenable number.

26405697795041 is a deficient number, since it is larger than the sum of its proper divisors (1).

26405697795041 is an equidigital number, since it uses as much as digits as its factorization.

26405697795041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 114307200, while the sum is 65.

The spelling of 26405697795041 in words is "twenty-six trillion, four hundred five billion, six hundred ninety-seven million, seven hundred ninety-five thousand, forty-one".