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13379303909 = 176411227797
BaseRepresentation
bin11000111010111011…
…11111100111100101
31021112102112001121102
430131131333213211
5204400100211114
610051340525445
7652360130636
oct143535774745
937472461542
1013379303909
1157462a5064
122714850885
131352b4809a
1490cca388d
155348c82de
hex31d77f9e5

13379303909 has 8 divisors (see below), whose sum is σ = 14188433688. Its totient is φ = 12572631040.

The previous prime is 13379303893. The next prime is 13379303957. The reversal of 13379303909 is 90930397331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6778228900 + 6601075009 = 82330^2 + 81247^2 .

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 13379303909 - 24 = 13379303893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13379303969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603002 + ... + 624795.

It is an arithmetic number, because the mean of its divisors is an integer number (1773554211).

Almost surely, 213379303909 is an apocalyptic number.

It is an amenable number.

13379303909 is a deficient number, since it is larger than the sum of its proper divisors (809129779).

13379303909 is a wasteful number, since it uses less digits than its factorization.

13379303909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228455.

The product of its (nonzero) digits is 413343, while the sum is 47.

The spelling of 13379303909 in words is "thirteen billion, three hundred seventy-nine million, three hundred three thousand, nine hundred nine".

Divisors: 1 17 641 10897 1227797 20872549 787017877 13379303909