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12442030310 = 256120396771
BaseRepresentation
bin10111001011001101…
…00101000011100110
31012010002212121221102
423211212211003212
5200440124432220
65414335520102
7620216340563
oct134546450346
935102777842
1012442030310
115305224586
1224b2989032
131233900b18
1486060386a
154cc487775
hex2e59a50e6

12442030310 has 16 divisors (see below), whose sum is σ = 22762797552. Its totient is φ = 4895224800.

The previous prime is 12442030309. The next prime is 12442030373. The reversal of 12442030310 is 1303024421.

12442030310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×124420303102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 10197776 + ... + 10198995.

It is an arithmetic number, because the mean of its divisors is an integer number (1422674847).

Almost surely, 212442030310 is an apocalyptic number.

12442030310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12442030310 is a deficient number, since it is larger than the sum of its proper divisors (10320767242).

12442030310 is a wasteful number, since it uses less digits than its factorization.

12442030310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20396839.

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

Adding to 12442030310 its reverse (1303024421), we get a palindrome (13745054731).

The spelling of 12442030310 in words is "twelve billion, four hundred forty-two million, thirty thousand, three hundred ten".

Divisors: 1 2 5 10 61 122 305 610 20396771 40793542 101983855 203967710 1244203031 2488406062 6221015155 12442030310