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102075777019 is a prime number
BaseRepresentation
bin101111100010000110…
…0001011111111111011
3100202110211120202000001
41133010030023333323
53133022344331034
6114520514053431
710242350534356
oct1370414137773
9322424522001
10102075777019
113a32112a0a7
1217948b7a277
139819898c78
144d24a0329d
1529c65b9a14
hex17c430bffb

102075777019 has 2 divisors, whose sum is σ = 102075777020. Its totient is φ = 102075777018.

The previous prime is 102075777017. The next prime is 102075777077. The reversal of 102075777019 is 910777570201.

It is a weak prime.

It is an emirp because it is prime and its reverse (910777570201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102075777019 - 21 = 102075777017 is a prime.

It is a super-2 number, since 2×1020757770192 (a number of 23 digits) contains 22 as substring.

Together with 102075777017, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 102075777019.

It is not a weakly prime, because it can be changed into another prime (102075777017) 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, 51037888509 + 51037888510.

It is an arithmetic number, because the mean of its divisors is an integer number (51037888510).

Almost surely, 2102075777019 is an apocalyptic number.

102075777019 is a deficient number, since it is larger than the sum of its proper divisors (1).

102075777019 is an equidigital number, since it uses as much as digits as its factorization.

102075777019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216090, while the sum is 46.

The spelling of 102075777019 in words is "one hundred two billion, seventy-five million, seven hundred seventy-seven thousand, nineteen".