Base | Representation |
---|---|
bin | 110001100100010110… |
… | …100011000111010000 |
3 | 12002101012220201212110 |
4 | 301210112203013100 |
5 | 1333000122141034 |
6 | 40241142425320 |
7 | 3562631035224 |
oct | 614426430720 |
9 | 162335821773 |
10 | 53223240144 |
11 | 2063214a088 |
12 | a394432240 |
13 | 5032787709 |
14 | 280c848784 |
15 | 15b7833de9 |
hex | c645a31d0 |
53223240144 has 80 divisors (see below), whose sum is σ = 148048827840. Its totient is φ = 16414464000.
The previous prime is 53223240107. The next prime is 53223240149. The reversal of 53223240144 is 44104232235.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53223240149) 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, 504607 + ... + 600894.
It is an arithmetic number, because the mean of its divisors is an integer number (1850610348).
Almost surely, 253223240144 is an apocalyptic number.
It is an amenable number.
53223240144 is an abundant number, since it is smaller than the sum of its proper divisors (94825587696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53223240144 is a wasteful number, since it uses less digits than its factorization.
53223240144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1105588 (or 1105582 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 30.
Adding to 53223240144 its reverse (44104232235), we get a palindrome (97327472379).
The spelling of 53223240144 in words is "fifty-three billion, two hundred twenty-three million, two hundred forty thousand, one hundred forty-four".
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