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1282485943 is a prime number
BaseRepresentation
bin100110001110001…
…0010111010110111
310022101020000222101
41030130102322313
510111304022233
6331132042531
743531644034
oct11434227267
93271200871
101282485943
115a8a25742
122b9603447
1317591522b
14c248238b
15778d0c7d
hex4c712eb7

1282485943 has 2 divisors, whose sum is σ = 1282485944. Its totient is φ = 1282485942.

The previous prime is 1282485917. The next prime is 1282485961. The reversal of 1282485943 is 3495842821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1282485943 - 225 = 1248931511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1282485893 and 1282485902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1282485343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641242971 + 641242972.

It is an arithmetic number, because the mean of its divisors is an integer number (641242972).

Almost surely, 21282485943 is an apocalyptic number.

1282485943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1282485943 is an equidigital number, since it uses as much as digits as its factorization.

1282485943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 46.

The square root of 1282485943 is about 35811.8128974225. The cubic root of 1282485943 is about 1086.4694970261.

The spelling of 1282485943 in words is "one billion, two hundred eighty-two million, four hundred eighty-five thousand, nine hundred forty-three".