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2212213061205 = 325723929384513
BaseRepresentation
bin100000001100010010001…
…011000111011001010101
321211111002221011022211200
4200030102023013121111
5242221103020424310
64412135431223113
7315553462522350
oct40142213073125
97744087138750
102212213061205
117832156676a4
122b88a9817a99
131307c2bc6384
14791009b1297
153c82875b9c0
hex203122c7655

2212213061205 has 48 divisors (see below), whose sum is σ = 4400624816640. Its totient is φ = 1007065995264.

The previous prime is 2212213061161. The next prime is 2212213061209. The reversal of 2212213061205 is 5021603122122.

2212213061205 is a `hidden beast` number, since 2 + 2 + 12 + 2 + 1 + 30 + 612 + 0 + 5 = 666.

It is not a de Polignac number, because 2212213061205 - 227 = 2212078843477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212213061209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14616972 + ... + 14767541.

It is an arithmetic number, because the mean of its divisors is an integer number (91679683680).

Almost surely, 22212213061205 is an apocalyptic number.

It is an amenable number.

2212213061205 is a deficient number, since it is larger than the sum of its proper divisors (2188411755435).

2212213061205 is a wasteful number, since it uses less digits than its factorization.

2212213061205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29384770 (or 29384767 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 2212213061205 its reverse (5021603122122), we get a palindrome (7233816183327).

The spelling of 2212213061205 in words is "two trillion, two hundred twelve billion, two hundred thirteen million, sixty-one thousand, two hundred five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 239 315 717 1195 1673 2151 3585 5019 8365 10755 15057 25095 75285 29384513 88153539 146922565 205691591 264460617 440767695 617074773 1028457955 1322303085 1851224319 3085373865 7022898607 9256121595 21068695821 35114493035 49160290249 63206087463 105343479105 147480870747 245801451245 316030437315 442442612241 737404353735 2212213061205