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2213431440341 = 11218292821821
BaseRepresentation
bin100000001101011010110…
…010110111001111010101
321211121020211202101210212
4200031122302313033111
5242231101422042331
64412500353255205
7315625615546202
oct40153262671725
97747224671725
102213431440341
11783790386a00
122b8b89864505
13130958454284
14791b8726ca9
153c89a6c7d2b
hex2035acb73d5

2213431440341 has 6 divisors (see below), whose sum is σ = 2432945302326. Its totient is φ = 2012210400200.

The previous prime is 2213431440323. The next prime is 2213431440347. The reversal of 2213431440341 is 1430441343122.

It can be written as a sum of positive squares in only one way, i.e., 1601923080241 + 611508360100 = 1265671^2 + 781990^2 .

It is a de Polignac number, because none of the positive numbers 2k-2213431440341 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2213431440298 and 2213431440307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213431440347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9146410790 + ... + 9146411031.

It is an arithmetic number, because the mean of its divisors is an integer number (405490883721).

Almost surely, 22213431440341 is an apocalyptic number.

It is an amenable number.

2213431440341 is a deficient number, since it is larger than the sum of its proper divisors (219513861985).

2213431440341 is a wasteful number, since it uses less digits than its factorization.

2213431440341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18292821843 (or 18292821832 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 2213431440341 its reverse (1430441343122), we get a palindrome (3643872783463).

The spelling of 2213431440341 in words is "two trillion, two hundred thirteen billion, four hundred thirty-one million, four hundred forty thousand, three hundred forty-one".

Divisors: 1 11 121 18292821821 201221040031 2213431440341