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63871000379 is a prime number
BaseRepresentation
bin111011011111000000…
…100001111100111011
320002212021112222222122
4323133000201330323
52021301434003004
645201505111455
74420532355044
oct733700417473
9202767488878
1063871000379
11250a6572a2a
121046632858b
13603b723564
14313ca278cb
1519dc4e5cbe
hexedf021f3b

63871000379 has 2 divisors, whose sum is σ = 63871000380. Its totient is φ = 63871000378.

The previous prime is 63871000363. The next prime is 63871000397. The reversal of 63871000379 is 97300017836.

Together with next prime (63871000397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63871000379 - 24 = 63871000363 is a prime.

It is not a weakly prime, because it can be changed into another prime (63871000309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31935500189 + 31935500190.

It is an arithmetic number, because the mean of its divisors is an integer number (31935500190).

Almost surely, 263871000379 is an apocalyptic number.

63871000379 is a deficient number, since it is larger than the sum of its proper divisors (1).

63871000379 is an equidigital number, since it uses as much as digits as its factorization.

63871000379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 44.

The spelling of 63871000379 in words is "sixty-three billion, eight hundred seventy-one million, three hundred seventy-nine", and thus it is an aban number.