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12143231230 = 2513853109507
BaseRepresentation
bin10110100111100101…
…10000000011111110
31011100021122001122211
423103302300003332
5144332131344410
65324543331034
7606630522334
oct132362600376
934307561584
1012143231230
1151715a0399
12242a8b0a7a
1311b6a33830
14832a63b54
154b111468a
hex2d3cb00fe

12143231230 has 32 divisors (see below), whose sum is σ = 23566997664. Its totient is φ = 4478357376.

The previous prime is 12143231207. The next prime is 12143231231. The reversal of 12143231230 is 3213234121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143231231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56137 + ... + 165643.

It is an arithmetic number, because the mean of its divisors is an integer number (736468677).

Almost surely, 212143231230 is an apocalyptic number.

12143231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12143231230 is a deficient number, since it is larger than the sum of its proper divisors (11423766434).

12143231230 is a wasteful number, since it uses less digits than its factorization.

12143231230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110380.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12143231230 its reverse (3213234121), we get a palindrome (15356465351).

The spelling of 12143231230 in words is "twelve billion, one hundred forty-three million, two hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 853 1706 4265 8530 11089 22178 55445 109507 110890 219014 547535 1095070 1423591 2847182 7117955 14235910 93409471 186818942 467047355 934094710 1214323123 2428646246 6071615615 12143231230