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516512240287 is a prime number
BaseRepresentation
bin1111000010000101000…
…01110101001010011111
31211101012121220102121121
413201002201311022133
531430304113142122
61033141001511411
752213440413521
oct7410241651237
91741177812547
10516512240287
1118a06276aa7a
128412aaa2567
1339926083564
141addc215a11
15d6805adbc7
hex784287529f

516512240287 has 2 divisors, whose sum is σ = 516512240288. Its totient is φ = 516512240286.

The previous prime is 516512240281. The next prime is 516512240311. The reversal of 516512240287 is 782042215615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 516512240287 - 231 = 514364756639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516512240281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258256120143 + 258256120144.

It is an arithmetic number, because the mean of its divisors is an integer number (258256120144).

Almost surely, 2516512240287 is an apocalyptic number.

516512240287 is a deficient number, since it is larger than the sum of its proper divisors (1).

516512240287 is an equidigital number, since it uses as much as digits as its factorization.

516512240287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 516512240287 in words is "five hundred sixteen billion, five hundred twelve million, two hundred forty thousand, two hundred eighty-seven".