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13530540445 = 523227116507
BaseRepresentation
bin11001001100111101…
…11010100110011101
31021220222002200010121
430212132322212131
5210202304243240
610114342234541
7656204460532
oct144636724635
937828080117
1013530540445
115813701334
122757425a51
13137828aa66
14924dd0d89
15542cee04a
hex3267ba99d

13530540445 has 8 divisors (see below), whose sum is σ = 16237486944. Its totient is φ = 10823873424.

The previous prime is 13530540409. The next prime is 13530540449. The reversal of 13530540445 is 54404503531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13530540445 - 29 = 13530539933 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 13530540445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530540449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57882 + ... + 174388.

It is an arithmetic number, because the mean of its divisors is an integer number (2029685868).

Almost surely, 213530540445 is an apocalyptic number.

It is an amenable number.

13530540445 is a deficient number, since it is larger than the sum of its proper divisors (2706946499).

13530540445 is a wasteful number, since it uses less digits than its factorization.

13530540445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139739.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 13530540445 in words is "thirteen billion, five hundred thirty million, five hundred forty thousand, four hundred forty-five".

Divisors: 1 5 23227 116135 116507 582535 2706108089 13530540445