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211141105 = 57172331523
BaseRepresentation
bin11001001010111…
…00000111110001
3112201022002010221
430211130013301
5413023003410
632541253041
75142445510
oct1445340761
9481262127
10211141105
11a920248a
125a864181
1334988386
1420082677
151380a4da
hexc95c1f1

211141105 has 32 divisors (see below), whose sum is σ = 308116224. Its totient is φ = 135591936.

The previous prime is 211141097. The next prime is 211141109. The reversal of 211141105 is 501141112.

211141105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 211141105 - 23 = 211141097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211141109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137874 + ... + 139396.

It is an arithmetic number, because the mean of its divisors is an integer number (9628632).

Almost surely, 2211141105 is an apocalyptic number.

It is an amenable number.

211141105 is a deficient number, since it is larger than the sum of its proper divisors (96975119).

211141105 is a wasteful number, since it uses less digits than its factorization.

211141105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 211141105 is about 14530.6952689815. The cubic root of 211141105 is about 595.4668604778.

Adding to 211141105 its reverse (501141112), we get a palindrome (712282217).

The spelling of 211141105 in words is "two hundred eleven million, one hundred forty-one thousand, one hundred five".

Divisors: 1 5 7 17 35 85 119 233 595 1165 1523 1631 3961 7615 8155 10661 19805 25891 27727 53305 129455 138635 181237 354859 906185 1774295 2484013 6032603 12420065 30163015 42228221 211141105