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12443343132 = 22311321729303
BaseRepresentation
bin10111001011010111…
…00101100100011100
31012010012100022210110
423211223211210130
5200440443440012
65414424010020
7620233446213
oct134553454434
935105308713
1012443343132
115305a40960
1224b3300910
131233c7053c
1486086607a
154cc64673c
hex2e5ae591c

12443343132 has 48 divisors (see below), whose sum is σ = 31684891392. Its totient is φ = 3769409280.

The previous prime is 12443343097. The next prime is 12443343169. The reversal of 12443343132 is 23134334421.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 12443343132.

It is a congruent number.

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, 409993 + ... + 439295.

It is an arithmetic number, because the mean of its divisors is an integer number (660101904).

Almost surely, 212443343132 is an apocalyptic number.

12443343132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12443343132 is an abundant number, since it is smaller than the sum of its proper divisors (19241548260).

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

12443343132 is a wasteful number, since it uses less digits than its factorization.

12443343132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32538 (or 32536 counting only the distinct ones).

The product of its digits is 20736, while the sum is 30.

Adding to 12443343132 its reverse (23134334421), we get a palindrome (35577677553).

The spelling of 12443343132 in words is "twelve billion, four hundred forty-three million, three hundred forty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 3217 6434 9651 12868 19302 29303 35387 38604 58606 70774 87909 106161 117212 141548 175818 212322 322333 351636 424644 644666 966999 1289332 1933998 3867996 94267751 188535502 282803253 377071004 565606506 1036945261 1131213012 2073890522 3110835783 4147781044 6221671566 12443343132