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20050022523 = 329293786553
BaseRepresentation
bin10010101011000100…
…110001000001111011
31220202022122200020210
4102223010301001323
5312030301210043
613113313322203
71306600244106
oct225304610173
956668580223
1020050022523
118559795753
123a76866363
131b76b7036b
14d82bc773d
157c534c633
hex4ab13107b

20050022523 has 16 divisors (see below), whose sum is σ = 27749625120. Its totient is φ = 12861698304.

The previous prime is 20050022491. The next prime is 20050022543. The reversal of 20050022523 is 32522005002.

It is not a de Polignac number, because 20050022523 - 25 = 20050022491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20050022523.

It is not an unprimeable number, because it can be changed into a prime (20050022543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367786 + ... + 418767.

It is an arithmetic number, because the mean of its divisors is an integer number (1734351570).

Almost surely, 220050022523 is an apocalyptic number.

20050022523 is a deficient number, since it is larger than the sum of its proper divisors (7699602597).

20050022523 is a wasteful number, since it uses less digits than its factorization.

20050022523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786878.

The product of its (nonzero) digits is 1200, while the sum is 21.

Adding to 20050022523 its reverse (32522005002), we get a palindrome (52572027525).

The spelling of 20050022523 in words is "twenty billion, fifty million, twenty-two thousand, five hundred twenty-three".

Divisors: 1 3 29 87 293 879 8497 25491 786553 2359659 22810037 68430111 230460029 691380087 6683340841 20050022523