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14401081472 = 27106072
BaseRepresentation
bin11010110100101111…
…10001000010000000
31101011122011201220212
431122113301002000
5213443134101342
610341001053252
71016605113161
oct153227610200
941148151825
1014401081472
116120042728
12295aa87228
13148673b7ab
149a887d768
1559445c182
hex35a5f1080

14401081472 has 24 divisors (see below), whose sum is σ = 28692359535. Its totient is φ = 7199861888.

The previous prime is 14401081441. The next prime is 14401081477. The reversal of 14401081472 is 27418010441.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 7200540736 + 7200540736 = 84856^2 + 84856^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=84856.

It is a super-2 number, since 2×144010814722 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14401081477) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1352393 + ... + 1362999.

Almost surely, 214401081472 is an apocalyptic number.

It is an amenable number.

14401081472 is a deficient number, since it is larger than the sum of its proper divisors (14291278063).

14401081472 is an frugal number, since it uses more digits than its factorization.

14401081472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21228 (or 10609 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

Multiplying 14401081472 by its sum of digits (32), we get a square (460834607104 = 6788482).

14401081472 divided by its sum of digits (32) gives a square (450033796 = 212142).

The spelling of 14401081472 in words is "fourteen billion, four hundred one million, eighty-one thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 10607 21214 42428 84856 169712 339424 678848 1357696 112508449 225016898 450033796 900067592 1800135184 3600270368 7200540736 14401081472