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20415335341 = 21119670931
BaseRepresentation
bin10011000000110110…
…010100101110101101
31221200210001111020011
4103000312110232231
5313302311212331
613213443253221
71321624326052
oct230066245655
957623044204
1020415335341
118726a19675
123b5907a211
131c047583ab
14db951d029
157e745d3b1
hex4c0d94bad

20415335341 has 4 divisors (see below), whose sum is σ = 20425008384. Its totient is φ = 20405662300.

The previous prime is 20415335321. The next prime is 20415335351. The reversal of 20415335341 is 14353351402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20415335341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20415335321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4833355 + ... + 4837576.

It is an arithmetic number, because the mean of its divisors is an integer number (5106252096).

Almost surely, 220415335341 is an apocalyptic number.

It is an amenable number.

20415335341 is a deficient number, since it is larger than the sum of its proper divisors (9673043).

20415335341 is an equidigital number, since it uses as much as digits as its factorization.

20415335341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9673042.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 20415335341 its reverse (14353351402), we get a palindrome (34768686743).

The spelling of 20415335341 in words is "twenty billion, four hundred fifteen million, three hundred thirty-five thousand, three hundred forty-one".

Divisors: 1 2111 9670931 20415335341