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27943972482 = 23294716320963
BaseRepresentation
bin11010000001100101…
…110010111010000010
32200010110111212211210
4122001211302322002
5424212124104412
620500504150550
72006322563346
oct320145627202
980113455753
1027943972482
111093a70a138
1254ba468456
132834431c7a
1414d1367626
15ad839a83c
hex681972e82

27943972482 has 64 divisors (see below), whose sum is σ = 59410298880. Its totient is φ = 8747694144.

The previous prime is 27943972481. The next prime is 27943972489. The reversal of 27943972482 is 28427934972.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (27943972481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1322533 + ... + 1343495.

It is an arithmetic number, because the mean of its divisors is an integer number (928285920).

Almost surely, 227943972482 is an apocalyptic number.

27943972482 is an abundant number, since it is smaller than the sum of its proper divisors (31466326398).

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

27943972482 is a wasteful number, since it uses less digits than its factorization.

27943972482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21207.

The product of its digits is 12192768, while the sum is 57.

The spelling of 27943972482 in words is "twenty-seven billion, nine hundred forty-three million, nine hundred seventy-two thousand, four hundred eighty-two".

Divisors: 1 2 3 6 29 47 58 87 94 141 163 174 282 326 489 978 1363 2726 4089 4727 7661 8178 9454 14181 15322 20963 22983 28362 41926 45966 62889 125778 222169 444338 607927 666507 985261 1215854 1333014 1823781 1970522 2955783 3416969 3647562 5911566 6833938 10250907 20501814 28572569 57145138 85717707 99092101 160597543 171435414 198184202 297276303 321195086 481792629 594552606 963585258 4657328747 9314657494 13971986241 27943972482