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212465488973 is a prime number
BaseRepresentation
bin1100010111011111101…
…1100001010001001101
3202022102002022010200012
43011313323201101031
511440112131121343
6241334424443005
721231043600313
oct3056773412115
9668362263605
10212465488973
1182119258601
1235216319465
131705ca4475a
14a3d78700b3
1557d79e2718
hex3177ee144d

212465488973 has 2 divisors, whose sum is σ = 212465488974. Its totient is φ = 212465488972.

The previous prime is 212465488931. The next prime is 212465489111. The reversal of 212465488973 is 379884564212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159343075684 + 53122413289 = 399178^2 + 230483^2 .

It is a cyclic number.

It is not a de Polignac number, because 212465488973 - 228 = 212197053517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212465482973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106232744486 + 106232744487.

It is an arithmetic number, because the mean of its divisors is an integer number (106232744487).

Almost surely, 2212465488973 is an apocalyptic number.

It is an amenable number.

212465488973 is a deficient number, since it is larger than the sum of its proper divisors (1).

212465488973 is an equidigital number, since it uses as much as digits as its factorization.

212465488973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23224320, while the sum is 59.

The spelling of 212465488973 in words is "two hundred twelve billion, four hundred sixty-five million, four hundred eighty-eight thousand, nine hundred seventy-three".