Base | Representation |
---|---|
bin | 110010110000111110… |
… | …011000011100110000 |
3 | 12012200210211102202022 |
4 | 302300332120130300 |
5 | 1343113220010030 |
6 | 41012503411012 |
7 | 3636530510231 |
oct | 626076303460 |
9 | 165623742668 |
10 | 54508750640 |
11 | 21131850153 |
12 | a692a53a68 |
13 | 51a8bbb506 |
14 | 28d1477088 |
15 | 1640610de5 |
hex | cb0f98730 |
54508750640 has 160 divisors (see below), whose sum is σ = 133641446400. Its totient is φ = 20636380160.
The previous prime is 54508750627. The next prime is 54508750669. The reversal of 54508750640 is 4605780545.
It is a junction number, because it is equal to n+sod(n) for n = 54508750591 and 54508750600.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118240010 + ... + 118240470.
It is an arithmetic number, because the mean of its divisors is an integer number (835259040).
Almost surely, 254508750640 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 54508750640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66820723200).
54508750640 is an abundant number, since it is smaller than the sum of its proper divisors (79132695760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54508750640 is a wasteful number, since it uses less digits than its factorization.
54508750640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1035 (or 1029 counting only the distinct ones).
The product of its (nonzero) digits is 672000, while the sum is 44.
The spelling of 54508750640 in words is "fifty-four billion, five hundred eight million, seven hundred fifty thousand, six hundred forty".
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