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212074950653 is a prime number
BaseRepresentation
bin1100010110000010100…
…1101110111111111101
3202021101212102201210222
43011200221232333331
511433312141410103
6241231554111125
721215262223526
oct3054051567775
9667355381728
10212074950653
1181a38865365
123512757b4a5
1316cc9b669a7
14a39ba4d84d
1557b359c638
hex3160a6effd

212074950653 has 2 divisors, whose sum is σ = 212074950654. Its totient is φ = 212074950652.

The previous prime is 212074950623. The next prime is 212074950697. The reversal of 212074950653 is 356059470212.

It is an a-pointer prime, because the next prime (212074950697) can be obtained adding 212074950653 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172887976804 + 39186973849 = 415798^2 + 197957^2 .

It is a cyclic number.

It is not a de Polignac number, because 212074950653 - 228 = 211806515197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212074950623) 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, 106037475326 + 106037475327.

It is an arithmetic number, because the mean of its divisors is an integer number (106037475327).

Almost surely, 2212074950653 is an apocalyptic number.

It is an amenable number.

212074950653 is a deficient number, since it is larger than the sum of its proper divisors (1).

212074950653 is an equidigital number, since it uses as much as digits as its factorization.

212074950653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 212074950653 in words is "two hundred twelve billion, seventy-four million, nine hundred fifty thousand, six hundred fifty-three".