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12445101116 = 227444467897
BaseRepresentation
bin10111001011100100…
…10010110000111100
31012010022122122021222
423211302102300330
5200441421213431
65414525412512
7620254420430
oct134562226074
935108578258
1012445101116
115306a31738
1224b3a0a138
131234437776
14860ba29c0
154cc89257b
hex2e5c92c3c

12445101116 has 12 divisors (see below), whose sum is σ = 24890202288. Its totient is φ = 5333614752.

The previous prime is 12445101113. The next prime is 12445101143. The reversal of 12445101116 is 61110154421.

12445101116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

12445101116 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12445101113) 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, 222233921 + ... + 222233976.

It is an arithmetic number, because the mean of its divisors is an integer number (2074183524).

Almost surely, 212445101116 is an apocalyptic number.

It is an amenable number.

12445101116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12445101116 is a wasteful number, since it uses less digits than its factorization.

12445101116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444467908 (or 444467906 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 12445101116 its reverse (61110154421), we get a palindrome (73555255537).

The spelling of 12445101116 in words is "twelve billion, four hundred forty-five million, one hundred one thousand, one hundred sixteen".

Divisors: 1 2 4 7 14 28 444467897 888935794 1777871588 3111275279 6222550558 12445101116