Base | Representation |
---|---|
bin | 110011010110110110… |
… | …001111100001010000 |
3 | 12021100002110010100102 |
4 | 303112312033201100 |
5 | 1400413400313440 |
6 | 41155522311532 |
7 | 3661344356612 |
oct | 632666174120 |
9 | 167302403312 |
10 | 55144151120 |
11 | 21428487a13 |
12 | a82b7b85a8 |
13 | 527a730226 |
14 | 29519d6db2 |
15 | 167b2c2b15 |
hex | cd6d8f850 |
55144151120 has 20 divisors (see below), whose sum is σ = 128210151540. Its totient is φ = 22057660416.
The previous prime is 55144151119. The next prime is 55144151143. The reversal of 55144151120 is 2115144155.
55144151120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 31361576464 + 23782574656 = 177092^2 + 154216^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344650865 + ... + 344651024.
It is an arithmetic number, because the mean of its divisors is an integer number (6410507577).
Almost surely, 255144151120 is an apocalyptic number.
It is an amenable number.
55144151120 is an abundant number, since it is smaller than the sum of its proper divisors (73066000420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55144151120 is a wasteful number, since it uses less digits than its factorization.
55144151120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 689301902 (or 689301896 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 29.
Adding to 55144151120 its reverse (2115144155), we get a palindrome (57259295275).
The spelling of 55144151120 in words is "fifty-five billion, one hundred forty-four million, one hundred fifty-one thousand, one hundred twenty".
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