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211100201 = 13431013739
BaseRepresentation
bin11001001010100…
…10001000101001
3112201020000000222
430211102020221
5413020201301
632540335425
75142215324
oct1445221051
9481200028
10211100201
11a9184784
125a844575
1334972880
14200717bb
15137ed31b
hexc952229

211100201 has 16 divisors (see below), whose sum is σ = 234991680. Its totient is φ = 188395200.

The previous prime is 211100167. The next prime is 211100209. The reversal of 211100201 is 102001112.

It is a cyclic number.

It is not a de Polignac number, because 211100201 - 26 = 211100137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211100209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54590 + ... + 58328.

It is an arithmetic number, because the mean of its divisors is an integer number (14686980).

Almost surely, 2211100201 is an apocalyptic number.

It is an amenable number.

211100201 is a deficient number, since it is larger than the sum of its proper divisors (23891479).

211100201 is a wasteful number, since it uses less digits than its factorization.

211100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 211100201 is about 14529.2876976127. The cubic root of 211100201 is about 595.4284050738.

Adding to 211100201 its reverse (102001112), we get a palindrome (313101313).

The spelling of 211100201 in words is "two hundred eleven million, one hundred thousand, two hundred one".

Divisors: 1 13 43 101 559 1313 3739 4343 48607 56459 160777 377639 2090101 4909307 16238477 211100201