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38675845566487 is a prime number
BaseRepresentation
bin10001100101100111011000…
…00010010101000000010111
312001221101010011202012102201
420302303230002111000113
520032131112431111422
6214131234351145331
711101144336055143
oct1062635402250027
9161841104665381
1038675845566487
11113613745aa538
12440777a515247
1318771691b211c
14979cc6db4223
154710aa49c727
hex232cec095017

38675845566487 has 2 divisors, whose sum is σ = 38675845566488. Its totient is φ = 38675845566486.

The previous prime is 38675845566433. The next prime is 38675845566517. The reversal of 38675845566487 is 78466554857683.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38675845566487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38675845566487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38675245566487) 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, 19337922783243 + 19337922783244.

It is an arithmetic number, because the mean of its divisors is an integer number (19337922783244).

Almost surely, 238675845566487 is an apocalyptic number.

38675845566487 is a deficient number, since it is larger than the sum of its proper divisors (1).

38675845566487 is an equidigital number, since it uses as much as digits as its factorization.

38675845566487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32514048000, while the sum is 82.

The spelling of 38675845566487 in words is "thirty-eight trillion, six hundred seventy-five billion, eight hundred forty-five million, five hundred sixty-six thousand, four hundred eighty-seven".