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2111011133 = 71122492339
BaseRepresentation
bin111110111010011…
…0111100100111101
312110010020110212112
41331310313210331
513310404324013
6545250143405
7103212204260
oct17564674475
95403213775
102111011133
11993679a00
124aab81b65
13278474a1a
14160514cd7
15c54deba8
hex7dd3793d

2111011133 has 12 divisors (see below), whose sum is σ = 2651849760. Its totient is φ = 1644943080.

The previous prime is 2111011129. The next prime is 2111011141. The reversal of 2111011133 is 3311101112.

It is a happy number.

It is not a de Polignac number, because 2111011133 - 22 = 2111011129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111010133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1245323 + ... + 1247016.

It is an arithmetic number, because the mean of its divisors is an integer number (220987480).

Almost surely, 22111011133 is an apocalyptic number.

It is an amenable number.

2111011133 is a deficient number, since it is larger than the sum of its proper divisors (540838627).

2111011133 is a wasteful number, since it uses less digits than its factorization.

2111011133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492368 (or 2492357 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 2111011133 is about 45945.7411845755. The cubic root of 2111011133 is about 1282.8134592705.

Adding to 2111011133 its reverse (3311101112), we get a palindrome (5422112245).

The spelling of 2111011133 in words is "two billion, one hundred eleven million, eleven thousand, one hundred thirty-three".

Divisors: 1 7 11 77 121 847 2492339 17446373 27415729 191910103 301573019 2111011133