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520259930473 is a prime number
BaseRepresentation
bin1111001001000011110…
…10001000100101101001
31211201212210211211001211
413210201322020211221
532010443020233343
61035000515513121
752405345305133
oct7444172104551
91751783754054
10520259930473
11190706193098
12849b5bb87a1
133a0a263410a
141b275c4c053
15d7ee5e579d
hex7921e88969

520259930473 has 2 divisors, whose sum is σ = 520259930474. Its totient is φ = 520259930472.

The previous prime is 520259930327. The next prime is 520259930549. The reversal of 520259930473 is 374039952025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 420152868864 + 100107061609 = 648192^2 + 316397^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-520259930473 is a prime.

It is not a weakly prime, because it can be changed into another prime (520259930573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260129965236 + 260129965237.

It is an arithmetic number, because the mean of its divisors is an integer number (260129965237).

Almost surely, 2520259930473 is an apocalyptic number.

It is an amenable number.

520259930473 is a deficient number, since it is larger than the sum of its proper divisors (1).

520259930473 is an equidigital number, since it uses as much as digits as its factorization.

520259930473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 49.

The spelling of 520259930473 in words is "five hundred twenty billion, two hundred fifty-nine million, nine hundred thirty thousand, four hundred seventy-three".