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13530134122 = 26765067061
BaseRepresentation
bin11001001100111010…
…10111011001101010
31021220221100000202121
430212131113121222
5210202203242442
610114325421454
7656201146111
oct144635273152
937827300677
1013530134122
11581345402a
12275726a88a
131378177b2b
14924d26c78
15542c6d967
hex32675766a

13530134122 has 4 divisors (see below), whose sum is σ = 20295201186. Its totient is φ = 6765067060.

The previous prime is 13530134069. The next prime is 13530134129. The reversal of 13530134122 is 22143103531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22143103531 = 179123704489.

It can be written as a sum of positive squares in only one way, i.e., 7364900761 + 6165233361 = 85819^2 + 78519^2 .

It is not an unprimeable number, because it can be changed into a prime (13530134129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3382533529 + ... + 3382533532.

Almost surely, 213530134122 is an apocalyptic number.

13530134122 is a deficient number, since it is larger than the sum of its proper divisors (6765067064).

13530134122 is an equidigital number, since it uses as much as digits as its factorization.

13530134122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765067063.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 13530134122 its reverse (22143103531), we get a palindrome (35673237653).

The spelling of 13530134122 in words is "thirteen billion, five hundred thirty million, one hundred thirty-four thousand, one hundred twenty-two".

Divisors: 1 2 6765067061 13530134122