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212002021330 = 251117322349957
BaseRepresentation
bin1100010101110001001…
…1100001111111010010
3202021012210012112120221
43011130103201333102
511433140004140310
6241220431023254
721213415306561
oct3053423417722
9667183175527
10212002021330
1181a006834a0
123510706ab2a
1316cb7a10a48
14a3920a7bd8
1557abe93ada
hex315c4e1fd2

212002021330 has 64 divisors (see below), whose sum is σ = 420587209728. Its totient is φ = 76300796160.

The previous prime is 212002021327. The next prime is 212002021349. The reversal of 212002021330 is 33120200212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4218712 + ... + 4268668.

It is an arithmetic number, because the mean of its divisors is an integer number (6571675152).

Almost surely, 2212002021330 is an apocalyptic number.

212002021330 is a deficient number, since it is larger than the sum of its proper divisors (208585188398).

212002021330 is a wasteful number, since it uses less digits than its factorization.

212002021330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50371.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 212002021330 its reverse (33120200212), we get a palindrome (245122221542).

The spelling of 212002021330 in words is "two hundred twelve billion, two million, twenty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 173 223 346 446 865 1115 1730 1903 2230 2453 3806 4906 9515 12265 19030 24530 38579 49957 77158 99914 192895 249785 385790 424369 499570 549527 848738 1099054 2121845 2747635 4243690 5495270 8642561 11140411 17285122 22280822 43212805 55702055 86425610 95068171 111404110 122544521 190136342 245089042 475340855 612722605 950681710 1225445210 1927291103 3854582206 9636455515 19272911030 21200202133 42400404266 106001010665 212002021330