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9243135909 = 34717958931
BaseRepresentation
bin10001001101110111…
…10000111110100101
3212212011120221210000
420212323300332211
5122412220322114
64125104251513
7445024234050
oct104673607645
925764527700
109243135909
113a135668a7
12195b610b99
13b43c5b5b7
14639825a97
15391706e09
hex226ef0fa5

9243135909 has 40 divisors (see below), whose sum is σ = 16708431168. Its totient is φ = 4971093120.

The previous prime is 9243135893. The next prime is 9243135929. The reversal of 9243135909 is 9095313429.

9243135909 is a `hidden beast` number, since 9 + 2 + 43 + 13 + 590 + 9 = 666.

It is not a de Polignac number, because 9243135909 - 24 = 9243135893 is a prime.

It is a super-2 number, since 2×92431359092 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9243135929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 469827 + ... + 489104.

Almost surely, 29243135909 is an apocalyptic number.

It is an amenable number.

9243135909 is a deficient number, since it is larger than the sum of its proper divisors (7465295259).

9243135909 is a wasteful number, since it uses less digits than its factorization.

9243135909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958967 (or 958958 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 9243135909 is about 96141.2289759185. The cubic root of 9243135909 is about 2098.6488594337.

The spelling of 9243135909 in words is "nine billion, two hundred forty-three million, one hundred thirty-five thousand, nine hundred nine".

Divisors: 1 3 7 9 17 21 27 51 63 81 119 153 189 357 459 567 1071 1377 3213 9639 958931 2876793 6712517 8630379 16301827 20137551 25891137 48905481 60412653 77673411 114112789 146716443 181237959 342338367 440149329 543713877 1027015101 1320447987 3081045303 9243135909