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1255119167 is a prime number
BaseRepresentation
bin100101011001111…
…1001100100111111
310020110201122211002
41022303321210333
510032302303132
6324313320515
743050223361
oct11263714477
93213648732
101255119167
11594533675
122b040613b
13170052983
14bc99ad31
15752c7262
hex4acf993f

1255119167 has 2 divisors, whose sum is σ = 1255119168. Its totient is φ = 1255119166.

The previous prime is 1255119121. The next prime is 1255119191. The reversal of 1255119167 is 7619115521.

It is a strong prime.

It is an emirp because it is prime and its reverse (7619115521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1255119167 - 222 = 1250924863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1255119167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255119667) 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, 627559583 + 627559584.

It is an arithmetic number, because the mean of its divisors is an integer number (627559584).

Almost surely, 21255119167 is an apocalyptic number.

1255119167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255119167 is an equidigital number, since it uses as much as digits as its factorization.

1255119167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 38.

The square root of 1255119167 is about 35427.6610433147. The cubic root of 1255119167 is about 1078.6858636080.

The spelling of 1255119167 in words is "one billion, two hundred fifty-five million, one hundred nineteen thousand, one hundred sixty-seven".