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79427081341 is a prime number
BaseRepresentation
bin100100111111000111…
…0010001010001111101
321121000102001210100101
41021332032101101331
52300131313100331
6100253250001101
75511164023546
oct1117616212175
9247012053311
1079427081341
1130759575893
1213487b76191
13764a52b8aa
143bb6a414cd
1520ed050061
hex127e39147d

79427081341 has 2 divisors, whose sum is σ = 79427081342. Its totient is φ = 79427081340.

The previous prime is 79427081329. The next prime is 79427081411. The reversal of 79427081341 is 14318072497.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76217405625 + 3209675716 = 276075^2 + 56654^2 .

It is a cyclic number.

It is not a de Polignac number, because 79427081341 - 25 = 79427081309 is a prime.

It is a super-2 number, since 2×794270813412 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79427081291 and 79427081300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79427061341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39713540670 + 39713540671.

It is an arithmetic number, because the mean of its divisors is an integer number (39713540671).

Almost surely, 279427081341 is an apocalyptic number.

It is an amenable number.

79427081341 is a deficient number, since it is larger than the sum of its proper divisors (1).

79427081341 is an equidigital number, since it uses as much as digits as its factorization.

79427081341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 79427081341 in words is "seventy-nine billion, four hundred twenty-seven million, eighty-one thousand, three hundred forty-one".