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218288001712 = 24112129187337
BaseRepresentation
bin1100101101001011111…
…0101001001010110000
3202212102212101102121011
43023102332221022300
512034023212023322
6244140301240304
721525244254154
oct3132276511260
9685385342534
10218288001712
1184636982600
1236380263094
131777a109271
14a7cac7b064
155a28c6b677
hex32d2fa92b0

218288001712 has 60 divisors (see below), whose sum is σ = 465242189608. Its totient is φ = 99143827200.

The previous prime is 218288001703. The next prime is 218288001719. The reversal of 218288001712 is 217100882812.

218288001712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2182880017122 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (218288001719) 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 11 ways as a sum of consecutive naturals, for example, 2455708 + ... + 2543044.

Almost surely, 2218288001712 is an apocalyptic number.

218288001712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 218288001712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232621094804).

218288001712 is an abundant number, since it is smaller than the sum of its proper divisors (246954187896).

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

218288001712 is a wasteful number, since it uses less digits than its factorization.

218288001712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88658 (or 88641 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 40.

The spelling of 218288001712 in words is "two hundred eighteen billion, two hundred eighty-eight million, one thousand, seven hundred twelve".

Divisors: 1 2 4 8 11 16 22 44 88 121 176 242 484 968 1291 1936 2582 5164 10328 14201 20656 28402 56804 87337 113608 156211 174674 227216 312422 349348 624844 698696 960707 1249688 1397392 1921414 2499376 3842828 7685656 10567777 15371312 21135554 42271108 84542216 112752067 169084432 225504134 451008268 902016536 1240272737 1804033072 2480545474 4961090948 9922181896 13643000107 19844363792 27286000214 54572000428 109144000856 218288001712