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42168973182 = 2374663215317
BaseRepresentation
bin100111010001011101…
…110111011101111110
311000211211100210100120
4213101131313131332
51142330224120212
631212215235410
73021662233530
oct472135673576
9130754323316
1042168973182
111697a316766
12820a378b66
133c9053c74b
14208068d850
15116c12588c
hex9d177777e

42168973182 has 32 divisors (see below), whose sum is σ = 96407342592. Its totient is φ = 12045638304.

The previous prime is 42168973151. The next prime is 42168973199. The reversal of 42168973182 is 28137986124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88188 + ... + 303504.

It is an arithmetic number, because the mean of its divisors is an integer number (3012729456).

Almost surely, 242168973182 is an apocalyptic number.

42168973182 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

42168973182 is an abundant number, since it is smaller than the sum of its proper divisors (54238369410).

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

42168973182 is a wasteful number, since it uses less digits than its factorization.

42168973182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219992.

The product of its digits is 1161216, while the sum is 51.

The spelling of 42168973182 in words is "forty-two billion, one hundred sixty-eight million, nine hundred seventy-three thousand, one hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 42 4663 9326 13989 27978 32641 65282 97923 195846 215317 430634 645951 1291902 1507219 3014438 4521657 9043314 1004023171 2008046342 3012069513 6024139026 7028162197 14056324394 21084486591 42168973182