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20413123041 = 36804374347
BaseRepresentation
bin10011000000101101…
…111000100111100001
31221200121220002112010
4103000231320213201
5313301224414131
613213324023133
71321566453153
oct230055704741
957617802463
1020413123041
118725748523
123b58391aa9
131c0416243c
14db9104ad3
157e7172b46
hex4c0b789e1

20413123041 has 4 divisors (see below), whose sum is σ = 27217497392. Its totient is φ = 13608748692.

The previous prime is 20413123039. The next prime is 20413123069. The reversal of 20413123041 is 14032131402.

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 not a de Polignac number, because 20413123041 - 21 = 20413123039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20413122999 and 20413123017.

It is not an unprimeable number, because it can be changed into a prime (20413323041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3402187171 + ... + 3402187176.

It is an arithmetic number, because the mean of its divisors is an integer number (6804374348).

Almost surely, 220413123041 is an apocalyptic number.

It is an amenable number.

20413123041 is a deficient number, since it is larger than the sum of its proper divisors (6804374351).

20413123041 is an equidigital number, since it uses as much as digits as its factorization.

20413123041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6804374350.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20413123041 its reverse (14032131402), we get a palindrome (34445254443).

The spelling of 20413123041 in words is "twenty billion, four hundred thirteen million, one hundred twenty-three thousand, forty-one".

Divisors: 1 3 6804374347 20413123041