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13391209475 = 52776521197
BaseRepresentation
bin11000111100010110…
…11010010000000011
31021120020220220222022
430132023122100003
5204411122200400
610052444032055
7652563255020
oct143613322003
937506826868
1013391209475
115751a96976
12271883262b
1313554560b7
149106c2547
1553597ab85
hex31e2da403

13391209475 has 12 divisors (see below), whose sum is σ = 18977257104. Its totient is φ = 9182543520.

The previous prime is 13391209457. The next prime is 13391209483. The reversal of 13391209475 is 57490219331.

It is not a de Polignac number, because 13391209475 - 26 = 13391209411 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38260424 + ... + 38260773.

It is an arithmetic number, because the mean of its divisors is an integer number (1581438092).

Almost surely, 213391209475 is an apocalyptic number.

13391209475 is a deficient number, since it is larger than the sum of its proper divisors (5586047629).

13391209475 is an equidigital number, since it uses as much as digits as its factorization.

13391209475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76521214 (or 76521209 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 13391209475 in words is "thirteen billion, three hundred ninety-one million, two hundred nine thousand, four hundred seventy-five".

Divisors: 1 5 7 25 35 175 76521197 382605985 535648379 1913029925 2678241895 13391209475