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20244315406 = 272206574647
BaseRepresentation
bin10010110110101001…
…111011110100001110
31221020212020202222111
4102312221323310032
5312430021043111
613144453534234
71314446561500
oct226651736416
957225222874
1020244315406
11864942a887
123b0b94437a
131ba81a9a73
14da0921d70
157d742aa21
hex4b6a7bd0e

20244315406 has 12 divisors (see below), whose sum is σ = 35324264808. Its totient is φ = 8676135132.

The previous prime is 20244315401. The next prime is 20244315407. The reversal of 20244315406 is 60451344202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20244315401) 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, 103287226 + ... + 103287421.

It is an arithmetic number, because the mean of its divisors is an integer number (2943688734).

Almost surely, 220244315406 is an apocalyptic number.

20244315406 is a deficient number, since it is larger than the sum of its proper divisors (15079949402).

20244315406 is a wasteful number, since it uses less digits than its factorization.

20244315406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206574663 (or 206574656 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 20244315406 its reverse (60451344202), we get a palindrome (80695659608).

The spelling of 20244315406 in words is "twenty billion, two hundred forty-four million, three hundred fifteen thousand, four hundred six".

Divisors: 1 2 7 14 49 98 206574647 413149294 1446022529 2892045058 10122157703 20244315406