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211001033 is a prime number
BaseRepresentation
bin11001001001110…
…01111011001001
3112201000222000002
430210321323021
5413004013113
632534252345
75141323235
oct1444717311
9481028002
10211001033
11a9117221
125a7b70b5
13349396a9
14200475c5
15137cdc58
hexc939ec9

211001033 has 2 divisors, whose sum is σ = 211001034. Its totient is φ = 211001032.

The previous prime is 211001009. The next prime is 211001053. The reversal of 211001033 is 330100112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191877904 + 19123129 = 13852^2 + 4373^2 .

It is a cyclic number.

It is not a de Polignac number, because 211001033 - 218 = 210738889 is a prime.

It is not a weakly prime, because it can be changed into another prime (211001053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105500516 + 105500517.

It is an arithmetic number, because the mean of its divisors is an integer number (105500517).

Almost surely, 2211001033 is an apocalyptic number.

It is an amenable number.

211001033 is a deficient number, since it is larger than the sum of its proper divisors (1).

211001033 is an equidigital number, since it uses as much as digits as its factorization.

211001033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 211001033 is about 14525.8746036168. The cubic root of 211001033 is about 595.3351528450.

Adding to 211001033 its reverse (330100112), we get a palindrome (541101145).

The spelling of 211001033 in words is "two hundred eleven million, one thousand, thirty-three".