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212100337 is a prime number
BaseRepresentation
bin11001010010001…
…10010011110001
3112210002210222001
430221012103301
5413244202322
633014014001
75153552221
oct1451062361
9483083861
10212100337
11a97a8139
125b047301
1334c32b77
1420252081
1513949827
hexca464f1

212100337 has 2 divisors, whose sum is σ = 212100338. Its totient is φ = 212100336.

The previous prime is 212100307. The next prime is 212100341. The reversal of 212100337 is 733001212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130667761 + 81432576 = 11431^2 + 9024^2 .

It is a cyclic number.

It is not a de Polignac number, because 212100337 - 219 = 211576049 is a prime.

It is not a weakly prime, because it can be changed into another prime (212100307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106050168 + 106050169.

It is an arithmetic number, because the mean of its divisors is an integer number (106050169).

Almost surely, 2212100337 is an apocalyptic number.

It is an amenable number.

212100337 is a deficient number, since it is larger than the sum of its proper divisors (1).

212100337 is an equidigital number, since it uses as much as digits as its factorization.

212100337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 212100337 is about 14563.6649576952. The cubic root of 212100337 is about 596.3672505345.

Adding to 212100337 its reverse (733001212), we get a palindrome (945101549).

The spelling of 212100337 in words is "two hundred twelve million, one hundred thousand, three hundred thirty-seven".