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12000000231130 = 257361726642393
BaseRepresentation
bin1010111010011111011111…
…0000000100011011011010
31120111012002122111211211211
42232213313300010123122
53033102000024344010
641304420215013334
72345654122664242
oct256476760043332
946435078454754
1012000000231130
11390719832251a
12141981b96a24a
13690797770b52
142d6b35a3cb22
1515c232e6908a
hexae9f7c046da

12000000231130 has 32 divisors (see below), whose sum is σ = 21931379323344. Its totient is φ = 4726573479936.

The previous prime is 12000000231113. The next prime is 12000000231161. The reversal of 12000000231130 is 3113200000021.

It can be written as a sum of positive squares in 8 ways, for example, as 1936570042449 + 10063430188681 = 1391607^2 + 3172291^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12000000231130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12870787 + ... + 13771606.

Almost surely, 212000000231130 is an apocalyptic number.

12000000231130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12000000231130 is a deficient number, since it is larger than the sum of its proper divisors (9931379092214).

12000000231130 is a wasteful number, since it uses less digits than its factorization.

12000000231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26643090.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12000000231130 its reverse (3113200000021), we get a palindrome (15113200231151).

The spelling of 12000000231130 in words is "twelve trillion, two hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 73 146 365 617 730 1234 3085 6170 45041 90082 225205 450410 26642393 53284786 133211965 266423930 1944894689 3889789378 9724473445 16438356481 19448946890 32876712962 82191782405 164383564810 1200000023113 2400000046226 6000000115565 12000000231130