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68871463 is a prime number
BaseRepresentation
bin1000001101011…
…10010100100111
311210121000212221
410012232110213
5120112341323
610500053211
71464253303
oct406562447
9153530787
1068871463
1135970171
121b094207
1311364c5b
14920ad03
1560a655d
hex41ae527

68871463 has 2 divisors, whose sum is σ = 68871464. Its totient is φ = 68871462.

The previous prime is 68871461. The next prime is 68871469. The reversal of 68871463 is 36417886.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68871463 - 21 = 68871461 is a prime.

Together with 68871461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68871461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34435731 + 34435732.

It is an arithmetic number, because the mean of its divisors is an integer number (34435732).

Almost surely, 268871463 is an apocalyptic number.

68871463 is a deficient number, since it is larger than the sum of its proper divisors (1).

68871463 is an equidigital number, since it uses as much as digits as its factorization.

68871463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 43.

The square root of 68871463 is about 8298.8832381231. The cubic root of 68871463 is about 409.9017472279.

The spelling of 68871463 in words is "sixty-eight million, eight hundred seventy-one thousand, four hundred sixty-three".