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1428818157287 is a prime number
BaseRepresentation
bin10100110010101100001…
…100101101111011100111
312001121000210102212102122
4110302230030231323213
5141402204422013122
63012220123500155
7205141305643223
oct24625414557347
95047023385378
101428818157287
11500a5a667404
121b0ab838765b
13a4977194251
144d225acd783
1527278138142
hex14cac32dee7

1428818157287 has 2 divisors, whose sum is σ = 1428818157288. Its totient is φ = 1428818157286.

The previous prime is 1428818157257. The next prime is 1428818157359. The reversal of 1428818157287 is 7827518188241.

It is a weak prime.

It is an emirp because it is prime and its reverse (7827518188241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1428818157287 - 214 = 1428818140903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1428818157257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714409078643 + 714409078644.

It is an arithmetic number, because the mean of its divisors is an integer number (714409078644).

Almost surely, 21428818157287 is an apocalyptic number.

1428818157287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428818157287 is an equidigital number, since it uses as much as digits as its factorization.

1428818157287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16056320, while the sum is 62.

The spelling of 1428818157287 in words is "one trillion, four hundred twenty-eight billion, eight hundred eighteen million, one hundred fifty-seven thousand, two hundred eighty-seven".