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20301344012 = 2241313395491
BaseRepresentation
bin10010111010000011…
…011110110100001100
31221101211120010112002
4102322003132310030
5313034121002022
613154252131432
71316041401605
oct227203366414
957354503462
1020301344012
118678641264
123b26a66b78
131bb6c563c1
14da8328dac
157dc443092
hex4ba0ded0c

20301344012 has 24 divisors (see below), whose sum is σ = 36510239472. Its totient is φ = 9871430400.

The previous prime is 20301344003. The next prime is 20301344057. The reversal of 20301344012 is 21044310302.

It is a super-2 number, since 2×203013440122 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 146414 + ... + 249077.

It is an arithmetic number, because the mean of its divisors is an integer number (1521259978).

Almost surely, 220301344012 is an apocalyptic number.

It is an amenable number.

20301344012 is a deficient number, since it is larger than the sum of its proper divisors (16208895460).

20301344012 is a wasteful number, since it uses less digits than its factorization.

20301344012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395849 (or 395847 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20301344012 its reverse (21044310302), we get a palindrome (41345654314).

The spelling of 20301344012 in words is "twenty billion, three hundred one million, three hundred forty-four thousand, twelve".

Divisors: 1 2 4 41 82 164 313 626 1252 12833 25666 51332 395491 790982 1581964 16215131 32430262 64860524 123788683 247577366 495154732 5075336003 10150672006 20301344012