Search a number
-
+
102220129993 is a prime number
BaseRepresentation
bin101111100110011001…
…0110110011011001001
3100202211220012122001111
41133030302312123021
53133321323124433
6114543112050321
710246052524462
oct1371462663311
9322756178044
10102220129993
113a395664683
12179893939a1
13984076b727
144d39c5bd69
1529d40d0dcd
hex17cccb66c9

102220129993 has 2 divisors, whose sum is σ = 102220129994. Its totient is φ = 102220129992.

The previous prime is 102220129987. The next prime is 102220130027. The reversal of 102220129993 is 399921022201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55305869584 + 46914260409 = 235172^2 + 216597^2 .

It is an emirp because it is prime and its reverse (399921022201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102220129993 - 25 = 102220129961 is a prime.

It is not a weakly prime, because it can be changed into another prime (102220120993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110064996 + 51110064997.

It is an arithmetic number, because the mean of its divisors is an integer number (51110064997).

Almost surely, 2102220129993 is an apocalyptic number.

It is an amenable number.

102220129993 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220129993 is an equidigital number, since it uses as much as digits as its factorization.

102220129993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 102220129993 in words is "one hundred two billion, two hundred twenty million, one hundred twenty-nine thousand, nine hundred ninety-three".