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13530330340 = 225757893681
BaseRepresentation
bin11001001100111100…
…00111010011100100
31021220221200222220221
430212132013103210
5210202231032330
610114333534124
7656202624142
oct144636072344
937827628827
1013530330340
11581357849a
122757344344
131378216237
14924d78592
15542cabb7a
hex3267874e4

13530330340 has 24 divisors (see below), whose sum is σ = 28451260152. Its totient is φ = 5404976640.

The previous prime is 13530330301. The next prime is 13530330377. The reversal of 13530330340 is 4303303531.

13530330340 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 4 ways, for example, as 2166343936 + 11363986404 = 46544^2 + 106602^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 431701 + ... + 461980.

It is an arithmetic number, because the mean of its divisors is an integer number (1185469173).

Almost surely, 213530330340 is an apocalyptic number.

13530330340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13530330340 is an abundant number, since it is smaller than the sum of its proper divisors (14920929812).

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

13530330340 is a wasteful number, since it uses less digits than its factorization.

13530330340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894447 (or 894445 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 25.

Adding to 13530330340 its reverse (4303303531), we get a palindrome (17833633871).

The spelling of 13530330340 in words is "thirteen billion, five hundred thirty million, three hundred thirty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 757 1514 3028 3785 7570 15140 893681 1787362 3574724 4468405 8936810 17873620 676516517 1353033034 2706066068 3382582585 6765165170 13530330340