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340145243541 = 33192931898287
BaseRepresentation
bin1001111001100100011…
…11001000010110010101
31012111222022021200221000
410330302033020112111
521033104140243131
6420132141013513
733401054602605
oct4746217102625
91174868250830
10340145243541
11121289138a24
1255b09b54299
13260ca00609c
141266ab1ac05
158cabcd5ce6
hex4f323c8595

340145243541 has 128 divisors (see below), whose sum is σ = 572866560000. Its totient is φ = 198450362880.

The previous prime is 340145243507. The next prime is 340145243611. The reversal of 340145243541 is 145342541043.

340145243541 is a `hidden beast` number, since 3 + 40 + 145 + 2 + 435 + 41 = 666.

It is not a de Polignac number, because 340145243541 - 27 = 340145243413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340145243496 and 340145243505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340145243941) 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 127 ways as a sum of consecutive naturals, for example, 41041500 + ... + 41049786.

It is an arithmetic number, because the mean of its divisors is an integer number (4475520000).

Almost surely, 2340145243541 is an apocalyptic number.

340145243541 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

340145243541 is a deficient number, since it is larger than the sum of its proper divisors (232721316459).

340145243541 is a wasteful number, since it uses less digits than its factorization.

340145243541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8464 (or 8458 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 340145243541 its reverse (145342541043), we get a palindrome (485487784584).

The spelling of 340145243541 in words is "three hundred forty billion, one hundred forty-five million, two hundred forty-three thousand, five hundred forty-one".

Divisors: 1 3 9 19 27 29 31 57 87 89 93 171 261 267 279 513 551 589 783 801 837 899 1653 1691 1767 2403 2581 2697 2759 4959 5073 5301 7743 8091 8277 8287 14877 15219 15903 17081 23229 24273 24831 24861 45657 49039 51243 52421 69687 74493 74583 80011 147117 153729 157263 157453 223749 240033 240323 256897 441351 461187 471789 472359 720099 720969 737543 770691 1324053 1415367 1417077 1520209 2160297 2162907 2212629 2312073 4251231 4560627 4566137 4881043 6488721 6637887 6936219 7450013 13681881 13698411 14013317 14643129 19913661 21388747 22350039 22863833 41045643 41095233 42039951 43929387 64166241 67050117 68591499 123285699 126119853 131788161 141550247 192498723 201150351 205774497 378359559 406386193 424650741 434412827 577496169 617323491 663051157 1219158579 1273952223 1303238481 1989153471 3657475737 3821856669 3909715443 5967460413 10972427211 11729146329 12597971983 17902381239 37793915949 113381747847 340145243541