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102212423293 is a prime number
BaseRepresentation
bin101111100110001010…
…1011100111001111101
3100202211100201002110011
41133030111130321331
53133312340021133
6114542234543221
710245630156121
oct1371425347175
9322740632404
10102212423293
113a391280502
1217986897b11
13983bca0956
144d38c13581
1529d35ac6cd
hex17cc55ce7d

102212423293 has 2 divisors, whose sum is σ = 102212423294. Its totient is φ = 102212423292.

The previous prime is 102212423281. The next prime is 102212423333. The reversal of 102212423293 is 392324212201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85006067364 + 17206355929 = 291558^2 + 131173^2 .

It is a cyclic number.

It is not a de Polignac number, because 102212423293 - 213 = 102212415101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102212423393) 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, 51106211646 + 51106211647.

It is an arithmetic number, because the mean of its divisors is an integer number (51106211647).

Almost surely, 2102212423293 is an apocalyptic number.

It is an amenable number.

102212423293 is a deficient number, since it is larger than the sum of its proper divisors (1).

102212423293 is an equidigital number, since it uses as much as digits as its factorization.

102212423293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 102212423293 its reverse (392324212201), we get a palindrome (494536635494).

The spelling of 102212423293 in words is "one hundred two billion, two hundred twelve million, four hundred twenty-three thousand, two hundred ninety-three".