Search a number
-
+
102031202447 is a prime number
BaseRepresentation
bin101111100000110001…
…0001001100010001111
3100202100201201010011222
41133001202021202033
53132424441434242
6114512242433555
710241266624346
oct1370142114217
9322321633158
10102031202447
113a2a8a54609
12179360628bb
139810590195
144d1cb1cb5d
1529c27125d2
hex17c188988f

102031202447 has 2 divisors, whose sum is σ = 102031202448. Its totient is φ = 102031202446.

The previous prime is 102031202369. The next prime is 102031202459. The reversal of 102031202447 is 744202130201.

It is a strong prime.

It is an emirp because it is prime and its reverse (744202130201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102031202447 - 228 = 101762766991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102031204447) 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, 51015601223 + 51015601224.

It is an arithmetic number, because the mean of its divisors is an integer number (51015601224).

Almost surely, 2102031202447 is an apocalyptic number.

102031202447 is a deficient number, since it is larger than the sum of its proper divisors (1).

102031202447 is an equidigital number, since it uses as much as digits as its factorization.

102031202447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 102031202447 its reverse (744202130201), we get a palindrome (846233332648).

The spelling of 102031202447 in words is "one hundred two billion, thirty-one million, two hundred two thousand, four hundred forty-seven".