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13531104234 = 232751728013
BaseRepresentation
bin11001001101000010…
…00100001111101010
31021221000011022111200
430212201010033222
5210202430313414
610114402305030
7656212326324
oct144641041752
937830138450
1013531104234
115813a5697a
122757658176
13137842756b
149250da614
15542db1109
hex3268443ea

13531104234 has 12 divisors (see below), whose sum is σ = 29317392546. Its totient is φ = 4510368072.

The previous prime is 13531104221. The next prime is 13531104259. The reversal of 13531104234 is 43240113531.

It is a happy number.

13531104234 is a `hidden beast` number, since 1 + 3 + 531 + 104 + 23 + 4 = 666.

13531104234 is digitally balanced in base 5, 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 only one way, i.e., 13374228609 + 156875625 = 115647^2 + 12525^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13531104198 and 13531104207.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 375863989 + ... + 375864024.

Almost surely, 213531104234 is an apocalyptic number.

13531104234 is an abundant number, since it is smaller than the sum of its proper divisors (15786288312).

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

13531104234 is a wasteful number, since it uses less digits than its factorization.

13531104234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751728021 (or 751728018 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 13531104234 its reverse (43240113531), we get a palindrome (56771217765).

The spelling of 13531104234 in words is "thirteen billion, five hundred thirty-one million, one hundred four thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 18 751728013 1503456026 2255184039 4510368078 6765552117 13531104234