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212101200311 = 71113192586951
BaseRepresentation
bin1100010110001000110…
…1110111100110110111
3202021110200211100120112
43011202031313212313
511433340401402221
6241234332453235
721216031312250
oct3054215674667
9667420740515
10212101200311
1181a516640a0
123513431a21b
1317002427930
14a3a1323b27
1557b5a3515b
hex31623779b7

212101200311 has 48 divisors (see below), whose sum is σ = 300556988928. Its totient is φ = 144530568000.

The previous prime is 212101200271. The next prime is 212101200323. The reversal of 212101200311 is 113002101212.

It is a de Polignac number, because none of the positive numbers 2k-212101200311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212101200371) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67886 + ... + 654836.

It is an arithmetic number, because the mean of its divisors is an integer number (6261603936).

Almost surely, 2212101200311 is an apocalyptic number.

212101200311 is a deficient number, since it is larger than the sum of its proper divisors (88455788617).

212101200311 is a wasteful number, since it uses less digits than its factorization.

212101200311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587020 (or 587001 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 212101200311 its reverse (113002101212), we get a palindrome (325103301523).

Subtracting from 212101200311 its reverse (113002101212), we obtain a palindrome (99099099099).

The spelling of 212101200311 in words is "two hundred twelve billion, one hundred one million, two hundred thousand, three hundred eleven".

Divisors: 1 7 11 13 19 77 91 133 143 209 247 361 1001 1463 1729 2527 2717 3971 4693 19019 27797 32851 51623 361361 586951 4108657 6456461 7630363 11152069 45195227 53412541 78064483 83933993 122672759 144976897 211889311 587537951 858709313 1014838279 1483225177 1594745867 2330782421 2754561043 11163221069 16315476947 19281927301 30300171473 212101200311