Base | Representation |
---|---|
bin | 110001110000000110… |
… | …010010110010010010 |
3 | 12002212221201200210100 |
4 | 301300012102302102 |
5 | 1333401044234204 |
6 | 40312502313230 |
7 | 3600543051030 |
oct | 616006226222 |
9 | 162787650710 |
10 | 53420305554 |
11 | 20723408260 |
12 | a42a428816 |
13 | 5064555075 |
14 | 282aaa5550 |
15 | 15c9cada39 |
hex | c70192c92 |
53420305554 has 192 divisors, whose sum is σ = 150642715392. Its totient is φ = 13278297600.
The previous prime is 53420305501. The next prime is 53420305559. The reversal of 53420305554 is 45550302435.
53420305554 is a `hidden beast` number, since 5 + 342 + 0 + 305 + 5 + 5 + 4 = 666.
It is not an unprimeable number, because it can be changed into a prime (53420305559) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3119664 + ... + 3136740.
It is an arithmetic number, because the mean of its divisors is an integer number (784597476).
Almost surely, 253420305554 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 53420305554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75321357696).
53420305554 is an abundant number, since it is smaller than the sum of its proper divisors (97222409838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53420305554 is a wasteful number, since it uses less digits than its factorization.
53420305554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17201 (or 17198 counting only the distinct ones).
The product of its (nonzero) digits is 180000, while the sum is 36.
Adding to 53420305554 its reverse (45550302435), we get a palindrome (98970607989).
The spelling of 53420305554 in words is "fifty-three billion, four hundred twenty million, three hundred five thousand, five hundred fifty-four".
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