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13826426432 = 2672132291481
BaseRepresentation
bin11001110000001111…
…01000011001000000
31022200120212020101212
430320013220121000
5211304031121212
610203552145252
7666426454100
oct147007503100
938616766355
1013826426432
115955725905
12281a538228
1313c4678120
14952413200
1555dc98e22
hex3381e8640

13826426432 has 168 divisors, whose sum is σ = 34544797560. Its totient is φ = 5442232320.

The previous prime is 13826426431. The next prime is 13826426447. The reversal of 13826426432 is 23462462831.

It can be written as a sum of positive squares in 4 ways, for example, as 2313994816 + 11512431616 = 48104^2 + 107296^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13826426432.

It is not an unprimeable number, because it can be changed into a prime (13826426431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9335132 + ... + 9336612.

It is an arithmetic number, because the mean of its divisors is an integer number (205623795).

Almost surely, 213826426432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13826426432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17272398780).

13826426432 is an abundant number, since it is smaller than the sum of its proper divisors (20718371128).

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

13826426432 is a wasteful number, since it uses less digits than its factorization.

13826426432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749 (or 1732 counting only the distinct ones).

The product of its digits is 331776, while the sum is 41.

The spelling of 13826426432 in words is "thirteen billion, eight hundred twenty-six million, four hundred twenty-six thousand, four hundred thirty-two".