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211111311112033 = 5771280212857949
BaseRepresentation
bin110000000000000100101110…
…101101001111011101100001
31000200111001012020210002211211
4300000010232231033131201
5210132321431121041113
62024555110352310121
762316201043402513
oct6000045655173541
91020431166702754
10211111311112033
11612a289350a232
121b816952b42341
1390a4932708867
143a1bbb0553bb3
1519617529c8b3d
hexc0012eb4f761

211111311112033 has 8 divisors (see below), whose sum is σ = 211478914492200. Its totient is φ = 210743713704960.

The previous prime is 211111311112027. The next prime is 211111311112073. The reversal of 211111311112033 is 330211113111112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 121057910927424 + 90053400184609 = 11002632^2 + 9489647^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211111311112033 - 29 = 211111311111521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211111311111995 and 211111311112013.

It is not an unprimeable number, because it can be changed into a prime (211111311112073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72439143 + ... + 75297091.

It is an arithmetic number, because the mean of its divisors is an integer number (26434864311525).

Almost surely, 2211111311112033 is an apocalyptic number.

It is an amenable number.

211111311112033 is a deficient number, since it is larger than the sum of its proper divisors (367603380167).

211111311112033 is a wasteful number, since it uses less digits than its factorization.

211111311112033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986547.

The product of its (nonzero) digits is 108, while the sum is 22.

Adding to 211111311112033 its reverse (330211113111112), we get a palindrome (541322424223145).

The spelling of 211111311112033 in words is "two hundred eleven trillion, one hundred eleven billion, three hundred eleven million, one hundred twelve thousand, thirty-three".

Divisors: 1 577 128021 2857949 73868117 1649036573 365877488929 211111311112033