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12111130 = 252235431
BaseRepresentation
bin101110001100…
…110100011010
3211210022100101
4232030310122
511100024010
61111330014
7204641263
oct56146432
924708311
1012111130
1169222a9
12408090a
132680765
14187396a
1510e373a
hexb8cd1a

12111130 has 16 divisors (see below), whose sum is σ = 21901824. Its totient is φ = 4821840.

The previous prime is 12111103. The next prime is 12111139. The reversal of 12111130 is 3111121.

12111130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (12111139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486 + ... + 4945.

It is an arithmetic number, because the mean of its divisors is an integer number (1368864).

Almost surely, 212111130 is an apocalyptic number.

12111130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111130 is a deficient number, since it is larger than the sum of its proper divisors (9790694).

12111130 is a wasteful number, since it uses less digits than its factorization.

12111130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5661.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 12111130 is about 3480.1048834769. The cubic root of 12111130 is about 229.6474118724.

Adding to 12111130 its reverse (3111121), we get a palindrome (15222251).

Subtracting from 12111130 its reverse (3111121), we obtain a palindrome (9000009).

The spelling of 12111130 in words is "twelve million, one hundred eleven thousand, one hundred thirty".

Divisors: 1 2 5 10 223 446 1115 2230 5431 10862 27155 54310 1211113 2422226 6055565 12111130