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8470017091 is a prime number
BaseRepresentation
bin1111110001101101…
…00011010001000011
3210212021211110010201
413320312203101003
5114321311021331
63520245510031
7416615646244
oct77066432103
923767743121
108470017091
113657116228
121784712317
13a4ca2ac43
145a4c96ccb
153488dea61
hex1f8da3443

8470017091 has 2 divisors, whose sum is σ = 8470017092. Its totient is φ = 8470017090.

The previous prime is 8470017077. The next prime is 8470017109. The reversal of 8470017091 is 1907100748.

Together with next prime (8470017109) 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 8470017091 - 221 = 8467919939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8470017091.

It is not a weakly prime, because it can be changed into another prime (8470017001) 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, 4235008545 + 4235008546.

It is an arithmetic number, because the mean of its divisors is an integer number (4235008546).

Almost surely, 28470017091 is an apocalyptic number.

8470017091 is a deficient number, since it is larger than the sum of its proper divisors (1).

8470017091 is an equidigital number, since it uses as much as digits as its factorization.

8470017091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 8470017091 is about 92032.6957716658. The cubic root of 8470017091 is about 2038.4251182045.

The spelling of 8470017091 in words is "eight billion, four hundred seventy million, seventeen thousand, ninety-one".