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243332535054 = 23773221335863
BaseRepresentation
bin1110001010011110111…
…1111101001100001110
3212021002021002112200010
43202213233331030032
512441321112110204
6303441352414050
723403002264310
oct3424757751416
9767067075603
10243332535054
1194218966144
123b1ab6a7326
1319c3b93586b
14bac50d77b0
1564e27d8d89
hex38a7bfd30e

243332535054 has 64 divisors (see below), whose sum is σ = 564078173184. Its totient is φ = 68538306816.

The previous prime is 243332535053. The next prime is 243332535079. The reversal of 243332535054 is 450535233342.

It is a super-2 number, since 2×2433325350542 (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243332535053) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6767127 + ... + 6802989.

It is an arithmetic number, because the mean of its divisors is an integer number (8813721456).

Almost surely, 2243332535054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243332535054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282039086592).

243332535054 is an abundant number, since it is smaller than the sum of its proper divisors (320745638130).

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

243332535054 is a wasteful number, since it uses less digits than its factorization.

243332535054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38161.

The product of its (nonzero) digits is 648000, while the sum is 39.

Adding to 243332535054 its reverse (450535233342), we get a palindrome (693867768396).

The spelling of 243332535054 in words is "two hundred forty-three billion, three hundred thirty-two million, five hundred thirty-five thousand, fifty-four".

Divisors: 1 2 3 6 7 14 21 42 73 146 219 438 511 1022 1533 2213 3066 4426 6639 13278 15491 30982 35863 46473 71726 92946 107589 161549 215178 251041 323098 484647 502082 753123 969294 1130843 1506246 2261686 2617999 3392529 5235998 6785058 7853997 15707994 18325993 36651986 54977979 79364819 109955958 158729638 238094457 476188914 555553733 1111107466 1666661199 3333322398 5793631787 11587263574 17380895361 34761790722 40555422509 81110845018 121666267527 243332535054