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13424441440 = 255711181729
BaseRepresentation
bin11001000000010100…
…01011100001100000
31021122120110021122211
430200022023201200
5204443124111230
610100032211504
7653445604144
oct144012134140
937576407584
1013424441440
115769824603
122727999b94
13135c2c0197
14914c93224
1553884242a
hex32028b860

13424441440 has 48 divisors (see below), whose sum is σ = 32161963680. Its totient is φ = 5294141440.

The previous prime is 13424441423. The next prime is 13424441483. The reversal of 13424441440 is 4414442431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579505 + ... + 602224.

It is an arithmetic number, because the mean of its divisors is an integer number (670040910).

Almost surely, 213424441440 is an apocalyptic number.

13424441440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13424441440 is an abundant number, since it is smaller than the sum of its proper divisors (18737522240).

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

13424441440 is a wasteful number, since it uses less digits than its factorization.

13424441440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181815 (or 1181807 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 13424441440 its reverse (4414442431), we get a palindrome (17838883871).

Subtracting from 13424441440 its reverse (4414442431), we obtain a palindrome (9009999009).

The spelling of 13424441440 in words is "thirteen billion, four hundred twenty-four million, four hundred forty-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 71 80 142 160 284 355 568 710 1136 1420 2272 2840 5680 11360 1181729 2363458 4726916 5908645 9453832 11817290 18907664 23634580 37815328 47269160 83902759 94538320 167805518 189076640 335611036 419513795 671222072 839027590 1342444144 1678055180 2684888288 3356110360 6712220720 13424441440