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13436630985 = 35895775399
BaseRepresentation
bin11001000001110001…
…01011011111001001
31021200102101120120110
430200320223133021
5210004234142420
610101145344533
7653654323161
oct144070533711
937612346513
1013436630985
11577569a808
12272ba98149
13136199a52b
149167475a1
1553994dee0
hex320e2b7c9

13436630985 has 8 divisors (see below), whose sum is σ = 21498609600. Its totient is φ = 7166203184.

The previous prime is 13436630983. The next prime is 13436631011. The reversal of 13436630985 is 58903663431.

13436630985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13436630985 - 21 = 13436630983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13436630983) 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 in 7 ways as a sum of consecutive naturals, for example, 447887685 + ... + 447887714.

It is an arithmetic number, because the mean of its divisors is an integer number (2687326200).

Almost surely, 213436630985 is an apocalyptic number.

13436630985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13436630985 is a deficient number, since it is larger than the sum of its proper divisors (8061978615).

13436630985 is an equidigital number, since it uses as much as digits as its factorization.

13436630985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895775407.

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 13436630985 in words is "thirteen billion, four hundred thirty-six million, six hundred thirty thousand, nine hundred eighty-five".

Divisors: 1 3 5 15 895775399 2687326197 4478876995 13436630985