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12113130 = 2351992029
BaseRepresentation
bin101110001101…
…010011101010
3211210102002110
4232031103222
511100110010
61111343150
7204650151
oct56152352
924712073
1012113130
116923857
124081ab6
132681643
141874598
1510e4120
hexb8d4ea

12113130 has 32 divisors (see below), whose sum is σ = 29232000. Its totient is φ = 3212352.

The previous prime is 12113119. The next prime is 12113147. The reversal of 12113130 is 3131121.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4956 + ... + 6984.

It is an arithmetic number, because the mean of its divisors is an integer number (913500).

Almost surely, 212113130 is an apocalyptic number.

12113130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12113130 is an abundant number, since it is smaller than the sum of its proper divisors (17118870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12113130 is a wasteful number, since it uses less digits than its factorization.

12113130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 12113130 is about 3480.3922192764. The cubic root of 12113130 is about 229.6600522988.

Adding to 12113130 its reverse (3131121), we get a palindrome (15244251).

Subtracting from 12113130 its reverse (3131121), we obtain a square (8982009 = 29972).

The spelling of 12113130 in words is "twelve million, one hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 199 398 597 995 1194 1990 2029 2985 4058 5970 6087 10145 12174 20290 30435 60870 403771 807542 1211313 2018855 2422626 4037710 6056565 12113130