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78125000119 is a prime number
BaseRepresentation
bin100100011000010011…
…1001110010110110111
321110122122222012200221
41020300213032112313
52240000000000434
655520133515211
75434003354435
oct1106047162667
9243578865627
1078125000119
1130150586a01
1213183aa2b07
1374a084552a
143ad1b3bd55
152073a9d2b4
hex12309ce5b7

78125000119 has 2 divisors, whose sum is σ = 78125000120. Its totient is φ = 78125000118.

The previous prime is 78125000117. The next prime is 78125000143. The reversal of 78125000119 is 91100052187.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78125000119 - 21 = 78125000117 is a prime.

It is a super-2 number, since 2×781250001192 (a number of 23 digits) contains 22 as substring.

Together with 78125000117, 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 (78125000117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39062500059 + 39062500060.

It is an arithmetic number, because the mean of its divisors is an integer number (39062500060).

Almost surely, 278125000119 is an apocalyptic number.

78125000119 is a deficient number, since it is larger than the sum of its proper divisors (1).

78125000119 is an equidigital number, since it uses as much as digits as its factorization.

78125000119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 34.

The spelling of 78125000119 in words is "seventy-eight billion, one hundred twenty-five million, one hundred nineteen", and thus it is an aban number.