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211031120212 = 22114796161823
BaseRepresentation
bin1100010010001001101…
…1110101100101010100
3202011201010021122122021
43010202123311211110
511424142431321322
6240540225142524
721150355632223
oct3044233654524
9664633248567
10211031120212
1181552625080
1234a95a8aa44
1316b91821643
14a2dd172cba
155751b0e4c7
hex31226f5954

211031120212 has 12 divisors (see below), whose sum is σ = 402877593216. Its totient is φ = 95923236440.

The previous prime is 211031120203. The next prime is 211031120239. The reversal of 211031120212 is 212021130112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2398080868 + ... + 2398080955.

It is an arithmetic number, because the mean of its divisors is an integer number (33573132768).

Almost surely, 2211031120212 is an apocalyptic number.

211031120212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211031120212 is a deficient number, since it is larger than the sum of its proper divisors (191846473004).

211031120212 is a wasteful number, since it uses less digits than its factorization.

211031120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796161838 (or 4796161836 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 211031120212 its reverse (212021130112), we get a palindrome (423052250324).

The spelling of 211031120212 in words is "two hundred eleven billion, thirty-one million, one hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 4796161823 9592323646 19184647292 52757780053 105515560106 211031120212