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13022043424 = 251331302989
BaseRepresentation
bin11000010000010110…
…01001110100100000
31020121112021100100121
430020023021310200
5203132120342144
65552055330024
7640461354115
oct141013116440
936545240317
1013022043424
115582670a65
122635080914
1312c6b1c250
148b766690c
15513358384
hex3082c9d20

13022043424 has 24 divisors (see below), whose sum is σ = 27609237180. Its totient is φ = 6010173696.

The previous prime is 13022043389. The next prime is 13022043439. The reversal of 13022043424 is 42434022031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12991440400 + 30603024 = 113980^2 + 5532^2 .

It is a super-2 number, since 2×130220434242 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15651079 + ... + 15651910.

Almost surely, 213022043424 is an apocalyptic number.

It is an amenable number.

13022043424 is an abundant number, since it is smaller than the sum of its proper divisors (14587193756).

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

13022043424 is a wasteful number, since it uses less digits than its factorization.

13022043424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31303012 (or 31303004 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 13022043424 its reverse (42434022031), we get a palindrome (55456065455).

The spelling of 13022043424 in words is "thirteen billion, twenty-two million, forty-three thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 31302989 62605978 125211956 250423912 406938857 500847824 813877714 1001695648 1627755428 3255510856 6511021712 13022043424