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211203241441 = 457462151513
BaseRepresentation
bin1100010010110010110…
…0011011010111100001
3202012011010011022120121
43010230230123113201
511430021012211231
6241005254240241
721154545634333
oct3045454332741
9665133138517
10211203241441
11816307a6325
1234b23656081
1316bbb39731a
14a317d79453
155761cad311
hex312cb1b5e1

211203241441 has 4 divisors (see below), whose sum is σ = 211665393412. Its totient is φ = 210741089472.

The previous prime is 211203241433. The next prime is 211203241451. The reversal of 211203241441 is 144142302112.

211203241441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 173101763025 + 38101478416 = 416055^2 + 195196^2 .

It is a cyclic number.

It is not a de Polignac number, because 211203241441 - 23 = 211203241433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211203241451) 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 3 ways as a sum of consecutive naturals, for example, 231075300 + ... + 231076213.

It is an arithmetic number, because the mean of its divisors is an integer number (52916348353).

Almost surely, 2211203241441 is an apocalyptic number.

It is an amenable number.

211203241441 is a deficient number, since it is larger than the sum of its proper divisors (462151971).

211203241441 is an equidigital number, since it uses as much as digits as its factorization.

211203241441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462151970.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 211203241441 its reverse (144142302112), we get a palindrome (355345543553).

The spelling of 211203241441 in words is "two hundred eleven billion, two hundred three million, two hundred forty-one thousand, four hundred forty-one".

Divisors: 1 457 462151513 211203241441