Base | Representation |
---|---|
bin | 1001011111111110… |
… | …1100000011101000 |
3 | 20120201101020000211 |
4 | 2113333230003220 |
5 | 20210303231034 |
6 | 1101012310504 |
7 | 120123053050 |
oct | 22777540350 |
9 | 6521336024 |
10 | 2550055144 |
11 | 109949219a |
12 | 5b2012434 |
13 | 318406990 |
14 | 1a2960560 |
15 | edd16d64 |
hex | 97fec0e8 |
2550055144 has 192 divisors, whose sum is σ = 6348988800. Its totient is φ = 933424128.
The previous prime is 2550055139. The next prime is 2550055177. The reversal of 2550055144 is 4415500552.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48114222 + ... + 48114274.
It is an arithmetic number, because the mean of its divisors is an integer number (33067650).
Almost surely, 22550055144 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2550055144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3174494400).
2550055144 is an abundant number, since it is smaller than the sum of its proper divisors (3798933656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2550055144 is a wasteful number, since it uses less digits than its factorization.
2550055144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 204 (or 147 counting only the distinct ones).
The product of its (nonzero) digits is 20000, while the sum is 31.
The square root of 2550055144 is about 50498.0706958197. The cubic root of 2550055144 is about 1366.2070560258.
Adding to 2550055144 its reverse (4415500552), we get a palindrome (6965555696).
The spelling of 2550055144 in words is "two billion, five hundred fifty million, fifty-five thousand, one hundred forty-four".
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