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211193034449 is a prime number
BaseRepresentation
bin1100010010110000010…
…1011111011011010001
3202012010101221202012212
43010230011133123101
511430010404100244
6241004251401505
721154363113335
oct3045405373321
9665111852185
10211193034449
1181625a646a1
1234b20153295
1316bb9232497
14a31687d7c5
155760e43d9e
hex312c15f6d1

211193034449 has 2 divisors, whose sum is σ = 211193034450. Its totient is φ = 211193034448.

The previous prime is 211193034419. The next prime is 211193034467. The reversal of 211193034449 is 944430391112.

211193034449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203272034449 + 7921000000 = 450857^2 + 89000^2 .

It is a cyclic number.

It is not a de Polignac number, because 211193034449 - 28 = 211193034193 is a prime.

It is not a weakly prime, because it can be changed into another prime (211193034419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105596517224 + 105596517225.

It is an arithmetic number, because the mean of its divisors is an integer number (105596517225).

Almost surely, 2211193034449 is an apocalyptic number.

It is an amenable number.

211193034449 is a deficient number, since it is larger than the sum of its proper divisors (1).

211193034449 is an equidigital number, since it uses as much as digits as its factorization.

211193034449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 211193034449 in words is "two hundred eleven billion, one hundred ninety-three million, thirty-four thousand, four hundred forty-nine".