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12443032004 = 2213239289077
BaseRepresentation
bin10111001011010100…
…11001100111000100
31012010011202112000012
423211222121213010
5200440404011004
65414413205352
7620231012144
oct134552314704
935104675005
1012443032004
115305849127
1224b3190858
131233b91a40
148607c4924
154cc5d446e
hex2e5a999c4

12443032004 has 12 divisors (see below), whose sum is σ = 23450329644. Its totient is φ = 5742937824.

The previous prime is 12443031977. The next prime is 12443032009. The reversal of 12443032004 is 40023034421.

12443032004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7030487104 + 5412544900 = 83848^2 + 73570^2 .

It is not an unprimeable number, because it can be changed into a prime (12443032009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119644487 + ... + 119644590.

It is an arithmetic number, because the mean of its divisors is an integer number (1954194137).

Almost surely, 212443032004 is an apocalyptic number.

It is an amenable number.

12443032004 is a deficient number, since it is larger than the sum of its proper divisors (11007297640).

12443032004 is a wasteful number, since it uses less digits than its factorization.

12443032004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239289094 (or 239289092 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12443032004 its reverse (40023034421), we get a palindrome (52466066425).

The spelling of 12443032004 in words is "twelve billion, four hundred forty-three million, thirty-two thousand, four".

Divisors: 1 2 4 13 26 52 239289077 478578154 957156308 3110758001 6221516002 12443032004