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213101414442 = 232721967189797
BaseRepresentation
bin1100011001110111010…
…1011000100000101010
3202101001101220111102100
43012131311120200222
511442412430230232
6241521502514230
721252565064400
oct3063565304052
9671041814370
10213101414442
1182415213844
1235373295976
131713170b407
14a4580c9470
155823759c7c
hex319dd5882a

213101414442 has 144 divisors (see below), whose sum is σ = 573812497440. Its totient is φ = 56820367296.

The previous prime is 213101414417. The next prime is 213101414459. The reversal of 213101414442 is 244414101312.

213101414442 is a `hidden beast` number, since 213 + 1 + 0 + 1 + 4 + 1 + 4 + 442 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1027888 + ... + 1217684.

It is an arithmetic number, because the mean of its divisors is an integer number (3984809010).

Almost surely, 2213101414442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213101414442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286906248720).

213101414442 is an abundant number, since it is smaller than the sum of its proper divisors (360711082998).

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

213101414442 is a wasteful number, since it uses less digits than its factorization.

213101414442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189905 (or 189895 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 213101414442 its reverse (244414101312), we get a palindrome (457515515754).

The spelling of 213101414442 in words is "two hundred thirteen billion, one hundred one million, four hundred fourteen thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 19 21 38 42 49 57 63 67 98 114 126 133 134 147 171 201 266 294 342 399 402 441 469 603 798 882 931 938 1197 1206 1273 1407 1862 2394 2546 2793 2814 3283 3819 4221 5586 6566 7638 8379 8442 8911 9849 11457 16758 17822 19698 22914 26733 29547 53466 59094 62377 80199 124754 160398 187131 189797 374262 379594 561393 569391 1122786 1138782 1328579 1708173 2657158 3416346 3606143 3985737 7212286 7971474 9300053 10818429 11957211 12716399 18600106 21636858 23914422 25243001 25432798 27900159 32455287 38149197 50486002 55800318 64910574 75729003 76298394 83700477 89014793 114447591 151458006 167400954 176701007 178029586 227187009 228895182 241611581 267044379 353402014 454374018 483223162 530103021 534088758 623103551 724834743 801133137 1060206042 1246207102 1449669486 1590309063 1602266274 1691281067 1869310653 2174504229 3180618126 3382562134 3738621306 4349008458 5073843201 5607931959 10147686402 11215863918 11838967469 15221529603 23677934938 30443059206 35516902407 71033804814 106550707221 213101414442