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1130220111 = 31922986587
BaseRepresentation
bin100001101011101…
…1100101001001111
32220202201010112010
41003113130221033
54303314020421
6304052312303
740002466236
oct10327345117
92822633463
101130220111
1152aa86109
12276612693
13150201bc7
14aa167b1d
1569355076
hex435dca4f

1130220111 has 16 divisors (see below), whose sum is σ = 1593219200. Its totient is φ = 710697888.

The previous prime is 1130220089. The next prime is 1130220181. The reversal of 1130220111 is 1110220311.

It is not a de Polignac number, because 1130220111 - 25 = 1130220079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130220181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30241 + ... + 56346.

It is an arithmetic number, because the mean of its divisors is an integer number (99576200).

Almost surely, 21130220111 is an apocalyptic number.

1130220111 is a deficient number, since it is larger than the sum of its proper divisors (462999089).

1130220111 is a wasteful number, since it uses less digits than its factorization.

1130220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86838.

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

The square root of 1130220111 is about 33618.7464221972. The cubic root of 1130220111 is about 1041.6480622114.

Adding to 1130220111 its reverse (1110220311), we get a palindrome (2240440422).

It can be divided in two parts, 11302 and 20111, that added together give a palindrome (31413).

The spelling of 1130220111 in words is "one billion, one hundred thirty million, two hundred twenty thousand, one hundred eleven".

Divisors: 1 3 19 57 229 687 4351 13053 86587 259761 1645153 4935459 19828423 59485269 376740037 1130220111