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26811013423 is a prime number
BaseRepresentation
bin11000111110000011…
…111001100100101111
32120012111122121012011
4120332003321210233
5414402104412143
620152233022051
71636254565615
oct307603714457
976174577164
1026811013423
1110409133237
125242b54927
1326b37b14ac
141424ac96b5
15a6dba3e9d
hex63e0f992f

26811013423 has 2 divisors, whose sum is σ = 26811013424. Its totient is φ = 26811013422.

The previous prime is 26811013409. The next prime is 26811013447. The reversal of 26811013423 is 32431011862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26811013423 - 225 = 26777458991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26811023423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13405506711 + 13405506712.

It is an arithmetic number, because the mean of its divisors is an integer number (13405506712).

Almost surely, 226811013423 is an apocalyptic number.

26811013423 is a deficient number, since it is larger than the sum of its proper divisors (1).

26811013423 is an equidigital number, since it uses as much as digits as its factorization.

26811013423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 26811013423 in words is "twenty-six billion, eight hundred eleven million, thirteen thousand, four hundred twenty-three".