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312142212101442 = 2377236736203809
BaseRepresentation
bin100011011111001000100010…
…1101010111111010101000010
31111221012111121110011222002210
41012332101011222333111002
5311403114222244221232
63023512052545122550
7122514350000432202
oct10676210552772502
91457174543158083
10312142212101442
1190504850222a78
122b013303329456
1310522b65a64248
145711a99750402
1526148067ad5cc
hex11be445abf542

312142212101442 has 16 divisors (see below), whose sum is σ = 624365258741280. Its totient is φ = 104033931610752.

The previous prime is 312142212101393. The next prime is 312142212101569. The reversal of 312142212101442 is 244101212241213.

It is a happy 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, 3368055567 + ... + 3368148242.

It is an arithmetic number, because the mean of its divisors is an integer number (39022828671330).

Almost surely, 2312142212101442 is an apocalyptic number.

312142212101442 is an abundant number, since it is smaller than the sum of its proper divisors (312223046639838).

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

312142212101442 is a wasteful number, since it uses less digits than its factorization.

312142212101442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6736211537.

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 312142212101442 its reverse (244101212241213), we get a palindrome (556243424342655).

The spelling of 312142212101442 in words is "three hundred twelve trillion, one hundred forty-two billion, two hundred twelve million, one hundred one thousand, four hundred forty-two".

Divisors: 1 2 3 6 7723 15446 23169 46338 6736203809 13472407618 20208611427 40417222854 52023702016907 104047404033814 156071106050721 312142212101442