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13487670209 = 131636365111
BaseRepresentation
bin11001000111110110…
…11000001111000001
31021210222102122020002
430203323120033001
5210110320421314
610110211325345
7655144206446
oct144373301701
937728378202
1013487670209
1157a1490292
122744bb0855
13136c42a960
1491d4319cd
1553e181ade
hex323ed83c1

13487670209 has 8 divisors (see below), whose sum is σ = 14614297152. Its totient is φ = 12373773840.

The previous prime is 13487670197. The next prime is 13487670241. The reversal of 13487670209 is 90207678431.

13487670209 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 13487670209 - 24 = 13487670193 is a prime.

It is a super-2 number, since 2×134876702092 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13487670299) 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, 3180437 + ... + 3184674.

It is an arithmetic number, because the mean of its divisors is an integer number (1826787144).

Almost surely, 213487670209 is an apocalyptic number.

It is an amenable number.

13487670209 is a deficient number, since it is larger than the sum of its proper divisors (1126626943).

13487670209 is a wasteful number, since it uses less digits than its factorization.

13487670209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6365287.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 13487670209 in words is "thirteen billion, four hundred eighty-seven million, six hundred seventy thousand, two hundred nine".

Divisors: 1 13 163 2119 6365111 82746443 1037513093 13487670209