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13388697482 = 26694348741
BaseRepresentation
bin11000111100000011…
…10100111110001010
31021120002012022011112
430132001310332022
5204410001304412
610052314130322
7652533023306
oct143601647612
937502168145
1013388697482
115750630646
122717a209a2
131354a86904
1491022ad06
15535631722
hex31e074f8a

13388697482 has 4 divisors (see below), whose sum is σ = 20083046226. Its totient is φ = 6694348740.

The previous prime is 13388697481. The next prime is 13388697523. The reversal of 13388697482 is 28479688331.

It is a happy number.

13388697482 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 only one way, i.e., 13284637081 + 104060401 = 115259^2 + 10201^2 .

It is not an unprimeable number, because it can be changed into a prime (13388697481) 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 as a sum of consecutive naturals, namely, 3347174369 + ... + 3347174372.

Almost surely, 213388697482 is an apocalyptic number.

13388697482 is a deficient number, since it is larger than the sum of its proper divisors (6694348744).

13388697482 is an equidigital number, since it uses as much as digits as its factorization.

13388697482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6694348743.

The product of its digits is 13934592, while the sum is 59.

The spelling of 13388697482 in words is "thirteen billion, three hundred eighty-eight million, six hundred ninety-seven thousand, four hundred eighty-two".

Divisors: 1 2 6694348741 13388697482