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212744743 is a prime number
BaseRepresentation
bin11001010111000…
…11101000100111
3112211022112220221
430223203220213
5413430312433
633035505211
75162205031
oct1453435047
9484275827
10212744743
11aa0a8302
125b2b8207
13350ca283
142037cc51
1513a2572d
hexcae3a27

212744743 has 2 divisors, whose sum is σ = 212744744. Its totient is φ = 212744742.

The previous prime is 212744717. The next prime is 212744773. The reversal of 212744743 is 347447212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212744743 - 25 = 212744711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212744699 and 212744708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212744713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106372371 + 106372372.

It is an arithmetic number, because the mean of its divisors is an integer number (106372372).

Almost surely, 2212744743 is an apocalyptic number.

212744743 is a deficient number, since it is larger than the sum of its proper divisors (1).

212744743 is an equidigital number, since it uses as much as digits as its factorization.

212744743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 34.

The square root of 212744743 is about 14585.7719370625. The cubic root of 212744743 is about 596.9706034849.

The spelling of 212744743 in words is "two hundred twelve million, seven hundred forty-four thousand, seven hundred forty-three".