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20045214053 = 115191740187
BaseRepresentation
bin10010101010110010…
…011011000101100101
31220201222121101021022
4102222302123011211
5312023033322203
613113022300525
71306511336204
oct225262330545
956658541238
1020045214053
118557001007
123a75127745
131b75b78807
14d822d523b
157c4beca38
hex4aac9b165

20045214053 has 4 divisors (see below), whose sum is σ = 20046965760. Its totient is φ = 20043462348.

The previous prime is 20045214011. The next prime is 20045214061. The reversal of 20045214053 is 35041254002.

It is a happy number.

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 not a de Polignac number, because 20045214053 - 210 = 20045213029 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 (20045214083) 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, 858575 + ... + 881612.

It is an arithmetic number, because the mean of its divisors is an integer number (5011741440).

Almost surely, 220045214053 is an apocalyptic number.

It is an amenable number.

20045214053 is a deficient number, since it is larger than the sum of its proper divisors (1751707).

20045214053 is a wasteful number, since it uses less digits than its factorization.

20045214053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751706.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 20045214053 its reverse (35041254002), we get a palindrome (55086468055).

The spelling of 20045214053 in words is "twenty billion, forty-five million, two hundred fourteen thousand, fifty-three".

Divisors: 1 11519 1740187 20045214053