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12013143230 = 2511109210393
BaseRepresentation
bin10110011000000101…
…00000010010111110
31011000012211220110202
423030002200102332
5144100331040410
65304015203502
7603461014124
oct131402402276
934005756422
1012013143230
115105119350
1223b3216592
131195ab6c9a
1481d67d914
154a49b9ca5
hex2cc0a04be

12013143230 has 16 divisors (see below), whose sum is σ = 23589445104. Its totient is φ = 4368415680.

The previous prime is 12013143229. The next prime is 12013143283. The reversal of 12013143230 is 3234131021.

It is a super-2 number, since 2×120131432302 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54605087 + ... + 54605306.

It is an arithmetic number, because the mean of its divisors is an integer number (1474340319).

Almost surely, 212013143230 is an apocalyptic number.

12013143230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12013143230 is a deficient number, since it is larger than the sum of its proper divisors (11576301874).

12013143230 is a wasteful number, since it uses less digits than its factorization.

12013143230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109210411.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12013143230 its reverse (3234131021), we get a palindrome (15247274251).

It can be divided in two parts, 120131 and 43230, that added together give a palindrome (163361).

The spelling of 12013143230 in words is "twelve billion, thirteen million, one hundred forty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 109210393 218420786 546051965 1092103930 1201314323 2402628646 6006571615 12013143230