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212120313103310 = 251811035771131463
BaseRepresentation
bin110000001110110000011011…
…111010011000001111001110
31000211001111121100001001212012
4300032300123322120033032
5210300334400123301220
62031050420534541222
762452121046665213
oct6016603372301716
91024044540031765
10212120313103310
11616517a0866437
121b95a407807812
139148b239a0b51
143a5496c36db0a
15197cb096b1ac5
hexc0ec1be983ce

212120313103310 has 32 divisors (see below), whose sum is σ = 383930093356992. Its totient is φ = 84378461840640.

The previous prime is 212120313103261. The next prime is 212120313103319. The reversal of 212120313103310 is 13301313021212.

212120313103310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2121203131033102 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212120313103319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186908639 + ... + 188040101.

It is an arithmetic number, because the mean of its divisors is an integer number (11997815417406).

Almost surely, 2212120313103310 is an apocalyptic number.

212120313103310 is a deficient number, since it is larger than the sum of its proper divisors (171809780253682).

212120313103310 is a wasteful number, since it uses less digits than its factorization.

212120313103310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235228.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 212120313103310 its reverse (13301313021212), we get a palindrome (225421626124522).

The spelling of 212120313103310 in words is "two hundred twelve trillion, one hundred twenty billion, three hundred thirteen million, one hundred three thousand, three hundred ten".

Divisors: 1 2 5 10 181 362 905 1810 103577 207154 517885 1035770 1131463 2262926 5657315 11314630 18747437 37494874 93737185 187474370 204794803 409589606 1023974015 2047948030 117193543151 234387086302 585967715755 1171935431510 21212031310331 42424062620662 106060156551655 212120313103310