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211011053455 = 5113833707477
BaseRepresentation
bin1100010010000100111…
…1010010011110001111
3202011122201112011020001
43010201033102132033
511424122312202310
6240534231105131
721150023234446
oct3044117223617
9664581464201
10211011053455
1181542269684
1234a8b2121a7
1316b8a616a17
14a2da62bd5d
15574ee9893a
hex31213d278f

211011053455 has 8 divisors (see below), whose sum is σ = 253235577312. Its totient is φ = 168793967328.

The previous prime is 211011053441. The next prime is 211011053459. The reversal of 211011053455 is 554350110112.

211011053455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 211011053455 - 229 = 210474182543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211011053459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1796824 + ... + 1910653.

It is an arithmetic number, because the mean of its divisors is an integer number (31654447164).

Almost surely, 2211011053455 is an apocalyptic number.

211011053455 is a deficient number, since it is larger than the sum of its proper divisors (42224523857).

211011053455 is a wasteful number, since it uses less digits than its factorization.

211011053455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718865.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 211011053455 its reverse (554350110112), we get a palindrome (765361163567).

The spelling of 211011053455 in words is "two hundred eleven billion, eleven million, fifty-three thousand, four hundred fifty-five".

Divisors: 1 5 11383 56915 3707477 18537385 42202210691 211011053455