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42339982272 = 263731502963
BaseRepresentation
bin100111011011101010…
…001101101111000000
311001021202010221201120
4213123222031233000
51143203013413042
631241204432240
73026136624360
oct473352155700
9131252127646
1042339982272
1116a578a8395
1282576a8680
133cb9ab6163
1420992869a0
15117c154dec
hex9dba8dbc0

42339982272 has 56 divisors (see below), whose sum is σ = 128028045696. Its totient is φ = 12097137408.

The previous prime is 42339982229. The next prime is 42339982273. The reversal of 42339982272 is 27228993324.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42339982273) 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 7 ways as a sum of consecutive naturals, for example, 15750138 + ... + 15752825.

Almost surely, 242339982272 is an apocalyptic number.

42339982272 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42339982272 is an abundant number, since it is smaller than the sum of its proper divisors (85688063424).

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

42339982272 is a wasteful number, since it uses less digits than its factorization.

42339982272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31502985 (or 31502975 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 51.

The spelling of 42339982272 in words is "forty-two billion, three hundred thirty-nine million, nine hundred eighty-two thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 672 1344 31502963 63005926 94508889 126011852 189017778 220520741 252023704 378035556 441041482 504047408 661562223 756071112 882082964 1008094816 1323124446 1512142224 1764165928 2016189632 2646248892 3024284448 3528331856 5292497784 6048568896 7056663712 10584995568 14113327424 21169991136 42339982272