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211020102020012 = 221921059671379069
BaseRepresentation
bin101111111110101111110010…
…001110001010101110101100
31000200011022202201210011021112
4233332233302032022232230
5210124323132104120022
62024445144021051152
762306461563042365
oct5776576216125654
91020138681704245
10211020102020012
116126813934243a
121b801139256ab8
13909915825a91c
143a175dac3ab6c
15195e1b54178e2
hexbfebf238abac

211020102020012 has 36 divisors (see below), whose sum is σ = 389748151789920. Its totient is φ = 99955874666592.

The previous prime is 211020102020003. The next prime is 211020102020051. The reversal of 211020102020012 is 210020201020112.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152326814 + ... + 153705882.

It is an arithmetic number, because the mean of its divisors is an integer number (10826337549720).

Almost surely, 2211020102020012 is an apocalyptic number.

It is an amenable number.

211020102020012 is a deficient number, since it is larger than the sum of its proper divisors (178728049769908).

211020102020012 is a wasteful number, since it uses less digits than its factorization.

211020102020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485078 (or 1485057 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211020102020012 its reverse (210020201020112), we get a palindrome (421040303040124).

The spelling of 211020102020012 in words is "two hundred eleven trillion, twenty billion, one hundred two million, twenty thousand, twelve".

Divisors: 1 2 4 19 38 76 361 722 1444 105967 211934 423868 1379069 2013373 2758138 4026746 5516276 8053492 26202311 38254087 52404622 76508174 104809244 153016348 497843909 995687818 1991375636 146135804723 292271609446 584543218892 2776580289737 5553160579474 11106321158948 52755025505003 105510051010006 211020102020012