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51323023204069 is a prime number
BaseRepresentation
bin10111010101101100100101…
…00100010001111011100101
320201201102200201201122221211
423222312102210101323211
523211334022420012234
6301053245452111421
713544652234204451
oct1352662244217345
9221642621648854
1051323023204069
1115397a76679261
12590a8b4765571
132283981642196
14c960947a1661
155e0069e2a164
hex2ead92911ee5

51323023204069 has 2 divisors, whose sum is σ = 51323023204070. Its totient is φ = 51323023204068.

The previous prime is 51323023204043. The next prime is 51323023204081. The reversal of 51323023204069 is 96040232032315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32513237353444 + 18809785850625 = 5702038^2 + 4337025^2 .

It is a cyclic number.

It is not a de Polignac number, because 51323023204069 - 27 = 51323023203941 is a prime.

It is a super-2 number, since 2×513230232040692 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51323023234069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25661511602034 + 25661511602035.

It is an arithmetic number, because the mean of its divisors is an integer number (25661511602035).

Almost surely, 251323023204069 is an apocalyptic number.

It is an amenable number.

51323023204069 is a deficient number, since it is larger than the sum of its proper divisors (1).

51323023204069 is an equidigital number, since it uses as much as digits as its factorization.

51323023204069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 51323023204069 in words is "fifty-one trillion, three hundred twenty-three billion, twenty-three million, two hundred four thousand, sixty-nine".