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20114421445 = 541291733637
BaseRepresentation
bin10010101110111010…
…011011011011000101
31220220210211110222001
4102232322123123011
5312143242441240
613123533505301
71311311522056
oct225672333305
956823743861
1020114421445
1185920805a8
123a94342231
131b872ca631
14d8b58c72d
157cad1d89a
hex4aee9b6c5

20114421445 has 16 divisors (see below), whose sum is σ = 24735232368. Its totient is φ = 15693212160.

The previous prime is 20114421419. The next prime is 20114421491. The reversal of 20114421445 is 54412441102.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1101045124 + 19013376321 = 33182^2 + 137889^2 .

It is not a de Polignac number, because 20114421445 - 231 = 17966937797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581167 + ... + 614803.

It is an arithmetic number, because the mean of its divisors is an integer number (1545952023).

Almost surely, 220114421445 is an apocalyptic number.

It is an amenable number.

20114421445 is a deficient number, since it is larger than the sum of its proper divisors (4620810923).

20114421445 is a wasteful number, since it uses less digits than its factorization.

20114421445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36600.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 20114421445 its reverse (54412441102), we get a palindrome (74526862547).

The spelling of 20114421445 in words is "twenty billion, one hundred fourteen million, four hundred twenty-one thousand, four hundred forty-five".

Divisors: 1 5 41 205 2917 14585 33637 119597 168185 597985 1379117 6895585 98119129 490595645 4022884289 20114421445