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13208892485 = 58213217757
BaseRepresentation
bin11000100110100111…
…11011010001000101
31021002112212021002012
430103103323101011
5204022434024420
610022412224005
7645220506425
oct142323732105
937075767065
1013208892485
115669091478
12268776b005
131326750719
148d43c4485
15524965dc5
hex3134fb445

13208892485 has 8 divisors (see below), whose sum is σ = 15869982456. Its totient is φ = 10554239680.

The previous prime is 13208892449. The next prime is 13208892523. The reversal of 13208892485 is 58429880231.

13208892485 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 2785095076 + 10423797409 = 52774^2 + 102097^2 .

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

It is not a de Polignac number, because 13208892485 - 212 = 13208888389 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1604774 + ... + 1612983.

It is an arithmetic number, because the mean of its divisors is an integer number (1983747807).

Almost surely, 213208892485 is an apocalyptic number.

It is an amenable number.

13208892485 is a deficient number, since it is larger than the sum of its proper divisors (2661089971).

13208892485 is an equidigital number, since it uses as much as digits as its factorization.

13208892485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218583.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 13208892485 in words is "thirteen billion, two hundred eight million, eight hundred ninety-two thousand, four hundred eighty-five".

Divisors: 1 5 821 4105 3217757 16088785 2641778497 13208892485