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13164423385 = 597229118529
BaseRepresentation
bin11000100001010100…
…10010100011011001
31020222110011222221111
430100222102203121
5203430043022020
610014143140321
7644140516051
oct142052224331
936873158844
1013164423385
115645a79153
1226748a46a1
13131a480949
148cc52a561
15520aced5a
hex310a928d9

13164423385 has 16 divisors (see below), whose sum is σ = 16029997200. Its totient is φ = 10377363456.

The previous prime is 13164423361. The next prime is 13164423403. The reversal of 13164423385 is 58332446131.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 415303641 + 12749119744 = 20379^2 + 112912^2 .

It is a cyclic number.

It is not a de Polignac number, because 13164423385 - 27 = 13164423257 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51801 + ... + 170329.

It is an arithmetic number, because the mean of its divisors is an integer number (1001874825).

Almost surely, 213164423385 is an apocalyptic number.

It is an amenable number.

13164423385 is a deficient number, since it is larger than the sum of its proper divisors (2865573815).

13164423385 is a wasteful number, since it uses less digits than its factorization.

13164423385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118860.

The product of its digits is 207360, while the sum is 40.

The spelling of 13164423385 in words is "thirteen billion, one hundred sixty-four million, four hundred twenty-three thousand, three hundred eighty-five".

Divisors: 1 5 97 229 485 1145 22213 111065 118529 592645 11497313 27143141 57486565 135715705 2632884677 13164423385