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211042011010212 = 2234651364231513
BaseRepresentation
bin101111111111000100001100…
…000110010101010010100100
31000200020102022121102011210000
4233333010030012111102210
5210130203014304311322
62024503210022501300
762311165525301364
oct5777041406252244
91020212277364700
10211042011010212
11612764613a8008
121b805432594830
13909b23a296155
143a186b888a9a4
15195ea48a6a3ac
hexbff10c1954a4

211042011010212 has 30 divisors (see below), whose sum is σ = 551705504092358. Its totient is φ = 70347337003296.

The previous prime is 211042011010183. The next prime is 211042011010219. The reversal of 211042011010212 is 212010110240112.

211042011010212 is a `hidden beast` number, since 2 + 1 + 10 + 420 + 1 + 10 + 10 + 212 = 666.

It can be written as a sum of positive squares in only one way, i.e., 210175592584356 + 866418425856 = 14497434^2 + 930816^2 .

It is a super-2 number, since 2×2110420110102122 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (211042011010219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 325682115433 + ... + 325682116080.

Almost surely, 2211042011010212 is an apocalyptic number.

It is an amenable number.

211042011010212 is an abundant number, since it is smaller than the sum of its proper divisors (340663493082146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211042011010212 is a wasteful number, since it uses less digits than its factorization.

211042011010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651364231529 (or 651364231518 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211042011010212 its reverse (212010110240112), we get a palindrome (423052121250324).

The spelling of 211042011010212 in words is "two hundred eleven trillion, forty-two billion, eleven million, ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 651364231513 1302728463026 1954092694539 2605456926052 3908185389078 5862278083617 7816370778156 11724556167234 17586834250851 23449112334468 35173668501702 52760502752553 70347337003404 105521005505106 211042011010212