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76065985573 is a prime number
BaseRepresentation
bin100011011010111100…
…0101101010000100101
321021100011120102201221
41012311320231100211
52221240343014243
654535542020341
75331662131534
oct1066570552045
9237304512657
1076065985573
112a2942a1896
12128aa4176b1
1372330a7926
1439784c031b
151ea2e2ebed
hex11b5e2d425

76065985573 has 2 divisors, whose sum is σ = 76065985574. Its totient is φ = 76065985572.

The previous prime is 76065985571. The next prime is 76065985579. The reversal of 76065985573 is 37558956067.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38454425604 + 37611559969 = 196098^2 + 193937^2 .

It is a cyclic number.

It is not a de Polignac number, because 76065985573 - 21 = 76065985571 is a prime.

It is a super-2 number, since 2×760659855732 (a number of 23 digits) contains 22 as substring.

Together with 76065985571, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76065985571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38032992786 + 38032992787.

It is an arithmetic number, because the mean of its divisors is an integer number (38032992787).

Almost surely, 276065985573 is an apocalyptic number.

It is an amenable number.

76065985573 is a deficient number, since it is larger than the sum of its proper divisors (1).

76065985573 is an equidigital number, since it uses as much as digits as its factorization.

76065985573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628000, while the sum is 61.

The spelling of 76065985573 in words is "seventy-six billion, sixty-five million, nine hundred eighty-five thousand, five hundred seventy-three".