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18136162647162 = 2327799191982587
BaseRepresentation
bin1000001111110101001111…
…00010000011110001111010
32101012210121100122210221200
410013322213202003301322
54334120330114202122
6102323345455115030
73551203005642330
oct407724742036172
971183540583850
1018136162647162
11586255a00740a
12204aab0212a76
13a173045c9591
14469b1b503b50
15216b6ac815ac
hex107ea7883c7a

18136162647162 has 96 divisors (see below), whose sum is σ = 45526564761600. Its totient is φ = 5110599165984.

The previous prime is 18136162647131. The next prime is 18136162647293. The reversal of 18136162647162 is 26174626163181.

18136162647162 is a `hidden beast` number, since 1 + 8 + 1 + 3 + 6 + 1 + 626 + 4 + 7 + 1 + 6 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 18136162647099 and 18136162647108.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 8156433 + ... + 10139019.

It is an arithmetic number, because the mean of its divisors is an integer number (474235049600).

Almost surely, 218136162647162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18136162647162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22763282380800).

18136162647162 is an abundant number, since it is smaller than the sum of its proper divisors (27390402114438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18136162647162 is a wasteful number, since it uses less digits than its factorization.

18136162647162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983600 (or 1983597 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 18136162647162 in words is "eighteen trillion, one hundred thirty-six billion, one hundred sixty-two million, six hundred forty-seven thousand, one hundred sixty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 79 126 158 237 474 553 711 919 1106 1422 1659 1838 2757 3318 4977 5514 6433 8271 9954 12866 16542 19299 38598 57897 72601 115794 145202 217803 435606 508207 653409 1016414 1306818 1524621 1982587 3049242 3965174 4573863 5947761 9147726 11895522 13878109 17843283 27756218 35686566 41634327 83268654 124902981 156624373 249805962 313248746 469873119 939746238 1096370611 1409619357 1821997453 2192741222 2819238714 3289111833 3643994906 5465992359 6578223666 9867335499 10931984718 12753982171 16397977077 19734670998 25507964342 32795954154 38261946513 76523893026 114785839539 143937798787 229571679078 287875597574 431813396361 863626792722 1007564591509 1295440189083 2015129183018 2590880378166 3022693774527 6045387549054 9068081323581 18136162647162