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78714142919 is a prime number
BaseRepresentation
bin100100101001110111…
…0101000000011000111
321112011201112202200122
41021103232220003013
52242201310033134
6100054421132155
75454416114066
oct1112356500307
9245151482618
1078714142919
1130423099685
121330925a05b
13756590c339
143b4a09a1dd
1520aa67402e
hex1253ba80c7

78714142919 has 2 divisors, whose sum is σ = 78714142920. Its totient is φ = 78714142918.

The previous prime is 78714142867. The next prime is 78714142921. The reversal of 78714142919 is 91924141787.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78714142919 - 216 = 78714077383 is a prime.

It is a super-2 number, since 2×787141429192 (a number of 23 digits) contains 22 as substring.

Together with 78714142921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78714142979) 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, 39357071459 + 39357071460.

It is an arithmetic number, because the mean of its divisors is an integer number (39357071460).

Almost surely, 278714142919 is an apocalyptic number.

78714142919 is a deficient number, since it is larger than the sum of its proper divisors (1).

78714142919 is an equidigital number, since it uses as much as digits as its factorization.

78714142919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 53.

The spelling of 78714142919 in words is "seventy-eight billion, seven hundred fourteen million, one hundred forty-two thousand, nine hundred nineteen".