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13420535212432 = 247018111951717
BaseRepresentation
bin1100001101001011011000…
…1110111110100110010000
31202111222202011200202221201
43003102312032332212100
53224340224003244212
644313150405400544
72553413242051405
oct303226616764620
952458664622851
1013420535212432
114304687289137
121608ba6109154
13764721834b1a
143457b35d02ac
15184173cbcb57
hexc34b63be990

13420535212432 has 20 divisors (see below), whose sum is σ = 26002659652956. Its totient is φ = 6710171431040.

The previous prime is 13420535212417. The next prime is 13420535212457. The reversal of 13420535212432 is 23421253502431.

13420535212432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3582752409856 + 9837782802576 = 1892816^2 + 3136524^2 .

It is a super-2 number, since 2×134205352124322 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13420535212391 and 13420535212400.

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, 4852963 + ... + 7098754.

Almost surely, 213420535212432 is an apocalyptic number.

It is an amenable number.

13420535212432 is a deficient number, since it is larger than the sum of its proper divisors (12582124440524).

13420535212432 is a wasteful number, since it uses less digits than its factorization.

13420535212432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12021906 (or 12021900 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 13420535212432 its reverse (23421253502431), we get a palindrome (36841788714863).

The spelling of 13420535212432 in words is "thirteen trillion, four hundred twenty billion, five hundred thirty-five million, two hundred twelve thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 70181 140362 280724 561448 1122896 11951717 23903434 47806868 95613736 191227472 838783450777 1677566901554 3355133803108 6710267606216 13420535212432