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20050425404553 = 311235951447137
BaseRepresentation
bin1001000111100010110100…
…11110111101110010001001
32121222210122121202110121210
410203301122132331302021
510112001232400421203
6110351012133323333
74136411142625065
oct443613236756211
977883577673553
1020050425404553
1164303794778a5
1222b9aa6a96549
13b2599321b41b
144d4635286aa5
1524b856c5b803
hex123c5a7bdc89

20050425404553 has 8 divisors (see below), whose sum is σ = 26757706332448. Its totient is φ = 13355047373184.

The previous prime is 20050425404549. The next prime is 20050425404563. The reversal of 20050425404553 is 35540452405002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20050425404553 - 22 = 20050425404549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20050425404563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2975720200 + ... + 2975726937.

It is an arithmetic number, because the mean of its divisors is an integer number (3344713291556).

Almost surely, 220050425404553 is an apocalyptic number.

It is an amenable number.

20050425404553 is a deficient number, since it is larger than the sum of its proper divisors (6707280927895).

20050425404553 is a wasteful number, since it uses less digits than its factorization.

20050425404553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5951448263.

The product of its (nonzero) digits is 480000, while the sum is 39.

Adding to 20050425404553 its reverse (35540452405002), we get a palindrome (55590877809555).

The spelling of 20050425404553 in words is "twenty trillion, fifty billion, four hundred twenty-five million, four hundred four thousand, five hundred fifty-three".

Divisors: 1 3 1123 3369 5951447137 17854341411 6683475134851 20050425404553