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20130241423405 = 510757799765407
BaseRepresentation
bin1001001001110111011111…
…11000111010100000101101
32122021102200010200022221011
410210323233320322200231
510114303213301022110
6110451412155505221
74145235101610361
oct444735770724055
978242603608834
1020130241423405
116461207542143
122311461158211
13b303731b7249
144d844780d2a1
1524d978ed748a
hex124eefe3a82d

20130241423405 has 32 divisors (see below), whose sum is σ = 24449177604096. Its totient is φ = 15909820084224.

The previous prime is 20130241423403. The next prime is 20130241423417. The reversal of 20130241423405 is 50432414203102.

It is a cyclic number.

It is not a de Polignac number, because 20130241423405 - 21 = 20130241423403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130241423403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307736212 + ... + 307801618.

It is an arithmetic number, because the mean of its divisors is an integer number (764036800128).

Almost surely, 220130241423405 is an apocalyptic number.

It is an amenable number.

20130241423405 is a deficient number, since it is larger than the sum of its proper divisors (4318936180691).

20130241423405 is a wasteful number, since it uses less digits than its factorization.

20130241423405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67093.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 20130241423405 its reverse (50432414203102), we get a palindrome (70562655626507).

The spelling of 20130241423405 in words is "twenty trillion, one hundred thirty billion, two hundred forty-one million, four hundred twenty-three thousand, four hundred five".

Divisors: 1 5 107 535 577 997 2885 4985 61739 65407 106679 308695 327035 533395 575269 2876345 6998549 34992745 37739839 61553783 65210779 188699195 307768915 326053895 4038162773 6977553353 20190813865 34887766765 37626619483 188133097415 4026048284681 20130241423405