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42530563212 = 223173118313673
BaseRepresentation
bin100111100111000001…
…001110010010001100
311001210000202110121220
4213213001032102030
51144100311010322
631312133323340
73033642552054
oct474701162214
9131700673556
1042530563212
11170454376a5
1282ab496550
13401a423147
1420b66d6564
15118dc4d55c
hex9e704e48c

42530563212 has 96 divisors (see below), whose sum is σ = 108553826304. Its totient is φ = 12901939200.

The previous prime is 42530563211. The next prime is 42530563237. The reversal of 42530563212 is 21236503524.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42530563211) 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, 11577408 + ... + 11581080.

It is an arithmetic number, because the mean of its divisors is an integer number (1130769024).

Almost surely, 242530563212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42530563212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54276913152).

42530563212 is an abundant number, since it is smaller than the sum of its proper divisors (66023263092).

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

42530563212 is a wasteful number, since it uses less digits than its factorization.

42530563212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5559 (or 5557 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 42530563212 in words is "forty-two billion, five hundred thirty million, five hundred sixty-three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 17 31 34 51 62 68 93 102 124 186 204 372 527 1054 1581 1831 2108 3162 3662 3673 5493 6324 7324 7346 10986 11019 14692 21972 22038 31127 44076 56761 62254 62441 93381 113522 113863 124508 124882 170283 186762 187323 227044 227726 249764 340566 341589 373524 374646 455452 681132 683178 749292 964937 1366356 1929874 1935671 2894811 3859748 3871342 5789622 5807013 6725263 7742684 11579244 11614026 13450526 20175789 23228052 26901052 40351578 80703156 114329471 208483153 228658942 342988413 416966306 457317884 625449459 685976826 833932612 1250898918 1371953652 2501797836 3544213601 7088427202 10632640803 14176854404 21265281606 42530563212