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211443412141 = 131719476715991
BaseRepresentation
bin1100010011101100000…
…0100110110010101101
3202012202212002020211201
43010323000212302231
511431014003142031
6241045154045501
721163523230423
oct3047300466255
9665685066751
10211443412141
1181744326105
1234b8bb79891
1316c29077a70
14a33bc17113
155777deed61
hex313b026cad

211443412141 has 64 divisors (see below), whose sum is σ = 263077355520. Its totient is φ = 167773731840.

The previous prime is 211443412121. The next prime is 211443412171. The reversal of 211443412141 is 141214344112.

It is a happy number.

It is not a de Polignac number, because 211443412141 - 27 = 211443412013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211443412121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13214656 + ... + 13230646.

It is an arithmetic number, because the mean of its divisors is an integer number (4110583680).

Almost surely, 2211443412141 is an apocalyptic number.

It is an amenable number.

211443412141 is a deficient number, since it is larger than the sum of its proper divisors (51633943379).

211443412141 is a wasteful number, since it uses less digits than its factorization.

211443412141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16154.

The product of its digits is 3072, while the sum is 28.

Adding to 211443412141 its reverse (141214344112), we get a palindrome (352657756253).

The spelling of 211443412141 in words is "two hundred eleven billion, four hundred forty-three million, four hundred twelve thousand, one hundred forty-one".

Divisors: 1 13 17 19 47 67 221 247 323 611 799 871 893 1139 1273 3149 4199 10387 11609 14807 15181 15991 16549 21641 40937 53533 59831 197353 207883 271847 281333 303829 695929 751577 777803 1017127 1071397 3534011 3949777 5165093 9770501 12776809 13222651 13928161 14279963 18213749 20356543 50355659 67146209 166098517 185639519 236778737 242759371 264635059 346061231 654623567 856046203 956757521 3155871823 4498796003 11128600639 12437847773 16264877857 211443412141