Search a number
-
+
13530345029 = 14299468401
BaseRepresentation
bin11001001100111100…
…01010111001000101
31021220221201202001222
430212132022321011
5210202232020104
610114334130125
7656203015025
oct144636127105
937827652058
1013530345029
115813588533
122757350945
13137821cb26
14924d7da85
15542cb11be
hex32678ae45

13530345029 has 4 divisors (see below), whose sum is σ = 13539814860. Its totient is φ = 13520875200.

The previous prime is 13530345001. The next prime is 13530345107. The reversal of 13530345029 is 92054303531.

13530345029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5533872100 + 7996472929 = 74390^2 + 89423^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13530345029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13530345029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530345229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4732772 + ... + 4735629.

It is an arithmetic number, because the mean of its divisors is an integer number (3384953715).

Almost surely, 213530345029 is an apocalyptic number.

It is an amenable number.

13530345029 is a deficient number, since it is larger than the sum of its proper divisors (9469831).

13530345029 is an equidigital number, since it uses as much as digits as its factorization.

13530345029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9469830.

The product of its (nonzero) digits is 48600, while the sum is 35.

The spelling of 13530345029 in words is "thirteen billion, five hundred thirty million, three hundred forty-five thousand, twenty-nine".

Divisors: 1 1429 9468401 13530345029