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26470426069 is a prime number
BaseRepresentation
bin11000101001110000…
…101010010111010101
32112022202202222011201
4120221300222113111
5413202412113234
620054345032501
71624650623563
oct305160522725
975282688151
1026470426069
111025395798a
125168a85731
13265b072709
1413d178ca33
15a4dd29314
hex629c2a5d5

26470426069 has 2 divisors, whose sum is σ = 26470426070. Its totient is φ = 26470426068.

The previous prime is 26470426033. The next prime is 26470426091. The reversal of 26470426069 is 96062407462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26209991025 + 260435044 = 161895^2 + 16138^2 .

It is a cyclic number.

It is not a de Polignac number, because 26470426069 - 227 = 26336208341 is a prime.

It is a super-2 number, since 2×264704260692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26470826069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13235213034 + 13235213035.

It is an arithmetic number, because the mean of its divisors is an integer number (13235213035).

Almost surely, 226470426069 is an apocalyptic number.

It is an amenable number.

26470426069 is a deficient number, since it is larger than the sum of its proper divisors (1).

26470426069 is an equidigital number, since it uses as much as digits as its factorization.

26470426069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 26470426069 in words is "twenty-six billion, four hundred seventy million, four hundred twenty-six thousand, sixty-nine".