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18305034354846 = 23214832412128429
BaseRepresentation
bin1000010100101111110010…
…00100100000000010011110
32101210221111022120101222200
410022113321010200002132
54344402202243323341
6102533114445552330
73566331546530451
oct412277104400236
971727438511880
1018305034354846
115918137755898
12207777ab756a6
13a2a207878075
14473d7b395498
1521b251507db6
hex10a5f912009e

18305034354846 has 48 divisors (see below), whose sum is σ = 39690692910960. Its totient is φ = 6097096437120.

The previous prime is 18305034354793. The next prime is 18305034354847. The reversal of 18305034354846 is 64845343050381.

18305034354846 is a `hidden beast` number, since 1 + 8 + 3 + 0 + 50 + 3 + 4 + 3 + 548 + 46 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 18305034354792 and 18305034354801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18305034354847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 643871760 + ... + 643900188.

It is an arithmetic number, because the mean of its divisors is an integer number (826889435645).

Almost surely, 218305034354846 is an apocalyptic number.

18305034354846 is an abundant number, since it is smaller than the sum of its proper divisors (21385658556114).

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

18305034354846 is a wasteful number, since it uses less digits than its factorization.

18305034354846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54041 (or 54038 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 54.

The spelling of 18305034354846 in words is "eighteen trillion, three hundred five billion, thirty-four million, three hundred fifty-four thousand, eight hundred forty-six".

Divisors: 1 2 3 6 9 18 1483 2966 4449 8898 13347 24121 26694 28429 48242 56858 72363 85287 144726 170574 217089 255861 434178 511722 35771443 42160207 71542886 84320414 107314329 126480621 214628658 252961242 321942987 379441863 643885974 685735909 758883726 1371471818 2057207727 4114415454 6171623181 12343246362 1016946353047 2033892706094 3050839059141 6101678118282 9152517177423 18305034354846