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13242709185 = 35882847279
BaseRepresentation
bin11000101010101001…
…11011010011000001
31021011220111022212120
430111110323103001
5204110113143220
610030021114453
7646111112406
oct142524732301
937156438776
1013242709185
115686189462
122696b58a29
1313307609c4
148d8aa82ad
155278e5a40
hex31553b4c1

13242709185 has 8 divisors (see below), whose sum is σ = 21188334720. Its totient is φ = 7062778224.

The previous prime is 13242709157. The next prime is 13242709189. The reversal of 13242709185 is 58190724231.

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

It is not a de Polignac number, because 13242709185 - 25 = 13242709153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13242709189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441423625 + ... + 441423654.

It is an arithmetic number, because the mean of its divisors is an integer number (2648541840).

Almost surely, 213242709185 is an apocalyptic number.

13242709185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13242709185 is a deficient number, since it is larger than the sum of its proper divisors (7945625535).

13242709185 is an equidigital number, since it uses as much as digits as its factorization.

13242709185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882847287.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 13242709185 in words is "thirteen billion, two hundred forty-two million, seven hundred nine thousand, one hundred eighty-five".

Divisors: 1 3 5 15 882847279 2648541837 4414236395 13242709185