Search a number
-
+
122328054187 is a prime number
BaseRepresentation
bin111000111101101010…
…0011111100110101011
3102200202020211000110121
41301323110133212223
54001011440213222
6132110254424111
711560255206253
oct1617324374653
9380666730417
10122328054187
1147973aa7749
121b85b502037
13b6c6602921
145cc65d8963
1532ae5695c7
hex1c7b51f9ab

122328054187 has 2 divisors, whose sum is σ = 122328054188. Its totient is φ = 122328054186.

The previous prime is 122328054109. The next prime is 122328054193. The reversal of 122328054187 is 781450823221.

It is a strong prime.

It is an emirp because it is prime and its reverse (781450823221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122328054187 - 27 = 122328054059 is a prime.

It is not a weakly prime, because it can be changed into another prime (122328054887) 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, 61164027093 + 61164027094.

It is an arithmetic number, because the mean of its divisors is an integer number (61164027094).

Almost surely, 2122328054187 is an apocalyptic number.

122328054187 is a deficient number, since it is larger than the sum of its proper divisors (1).

122328054187 is an equidigital number, since it uses as much as digits as its factorization.

122328054187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 122328054187 in words is "one hundred twenty-two billion, three hundred twenty-eight million, fifty-four thousand, one hundred eighty-seven".