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2110211311 = 1347273483
BaseRepresentation
bin111110111000111…
…0100010011101111
312110001201211201111
41331301310103233
513310203230221
6545221052451
7103202333365
oct17561642357
95401654644
102110211311
11993182a9a
124aa857127
13278254960
14160387635
15c53d2be1
hex7dc744ef

2110211311 has 12 divisors (see below), whose sum is σ = 2321947432. Its totient is φ = 1906417008.

The previous prime is 2110211293. The next prime is 2110211347. The reversal of 2110211311 is 1131120112.

It is a happy number.

It is not a de Polignac number, because 2110211311 - 229 = 1573340399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110211291 and 2110211300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110211351) 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, 8025 + ... + 65458.

Almost surely, 22110211311 is an apocalyptic number.

2110211311 is a deficient number, since it is larger than the sum of its proper divisors (211736121).

2110211311 is an equidigital number, since it uses as much as digits as its factorization.

2110211311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73590 (or 73543 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 2110211311 is about 45937.0363758917. The cubic root of 2110211311 is about 1282.6514275916.

Adding to 2110211311 its reverse (1131120112), we get a palindrome (3241331423).

The spelling of 2110211311 in words is "two billion, one hundred ten million, two hundred eleven thousand, three hundred eleven".

Divisors: 1 13 47 611 2209 28717 73483 955279 3453701 44898113 162323947 2110211311