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14454413440 = 27522585021
BaseRepresentation
bin11010111011000110…
…01101100010000000
31101022100112021121221
431131203031202000
5214100312212230
610350144124424
71021123326025
oct153543154200
941270467557
1014454413440
116148159835
122974906714
1314947c267c
149b19a354c
15598e9427a
hex35d8cd880

14454413440 has 32 divisors (see below), whose sum is σ = 34555083660. Its totient is φ = 5781765120.

The previous prime is 14454413401. The next prime is 14454413443. The reversal of 14454413440 is 4431445441.

It can be written as a sum of positive squares in 2 ways, for example, as 12736476736 + 1717936704 = 112856^2 + 41448^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 14454413396 and 14454413405.

It is not an unprimeable number, because it can be changed into a prime (14454413443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11291871 + ... + 11293150.

Almost surely, 214454413440 is an apocalyptic number.

14454413440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14454413440 is an abundant number, since it is smaller than the sum of its proper divisors (20100670220).

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

14454413440 is an equidigital number, since it uses as much as digits as its factorization.

14454413440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22585040 (or 22585028 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 14454413440 its reverse (4431445441), we get a palindrome (18885858881).

The spelling of 14454413440 in words is "fourteen billion, four hundred fifty-four million, four hundred thirteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 22585021 45170042 90340084 112925105 180680168 225850210 361360336 451700420 722720672 903400840 1445441344 1806801680 2890882688 3613603360 7227206720 14454413440