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441431431212 = 22336785952601
BaseRepresentation
bin1100110110001110101…
…11010001100000101100
31120012102010010010222010
412123013113101200230
524213022421244322
6534442451321220
743615040153442
oct6330727214054
91505363103863
10441431431212
11160234597942
12716765b0210
133281c125905
1417518904b92
15b738dd320c
hex66c75d182c

441431431212 has 12 divisors (see below), whose sum is σ = 1030006672856. Its totient is φ = 147143810400.

The previous prime is 441431431153. The next prime is 441431431213. The reversal of 441431431212 is 212134134144.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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 441431431212.

It is not an unprimeable number, because it can be changed into a prime (441431431213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18392976289 + ... + 18392976312.

Almost surely, 2441431431212 is an apocalyptic number.

It is an amenable number.

441431431212 is an abundant number, since it is smaller than the sum of its proper divisors (588575241644).

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

441431431212 is a wasteful number, since it uses less digits than its factorization.

441431431212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36785952608 (or 36785952606 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

Adding to 441431431212 its reverse (212134134144), we get a palindrome (653565565356).

The spelling of 441431431212 in words is "four hundred forty-one billion, four hundred thirty-one million, four hundred thirty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 36785952601 73571905202 110357857803 147143810404 220715715606 441431431212