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211459211713 = 1621130449853
BaseRepresentation
bin1100010011101111110…
…0111000000111000001
3202012210221210221210001
43010323330320013001
511431032024233323
6241050520440001
721164104433341
oct3047374700701
9665727727701
10211459211713
1181752237602
1234b95319001
1316c2c41a319
14a33dd6ad21
1557794c13ad
hex313bf381c1

211459211713 has 4 divisors (see below), whose sum is σ = 211589663188. Its totient is φ = 211328760240.

The previous prime is 211459211693. The next prime is 211459211731. The reversal of 211459211713 is 317112954112.

It is a happy number.

211459211713 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 145570482369 + 65888729344 = 381537^2 + 256688^2 .

It is a cyclic number.

It is not a de Polignac number, because 211459211713 - 217 = 211459080641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211459211773) 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, 65223306 + ... + 65226547.

It is an arithmetic number, because the mean of its divisors is an integer number (52897415797).

Almost surely, 2211459211713 is an apocalyptic number.

It is an amenable number.

211459211713 is a deficient number, since it is larger than the sum of its proper divisors (130451475).

211459211713 is a wasteful number, since it uses less digits than its factorization.

211459211713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130451474.

The product of its digits is 15120, while the sum is 37.

The spelling of 211459211713 in words is "two hundred eleven billion, four hundred fifty-nine million, two hundred eleven thousand, seven hundred thirteen".

Divisors: 1 1621 130449853 211459211713