Base | Representation |
---|---|
bin | 110010101111001011… |
… | …010101001000010110 |
3 | 12012121201002010210120 |
4 | 302233023111020112 |
5 | 1343033004343421 |
6 | 41005505132410 |
7 | 3636013243605 |
oct | 625713251026 |
9 | 165551063716 |
10 | 54478590486 |
11 | 21116820401 |
12 | a68492a106 |
13 | 51a288b678 |
14 | 28cb465a3c |
15 | 163cb548c6 |
hex | caf2d5216 |
54478590486 has 8 divisors (see below), whose sum is σ = 108957180984. Its totient is φ = 18159530160.
The previous prime is 54478590457. The next prime is 54478590539. The reversal of 54478590486 is 68409587445.
It is a happy number.
54478590486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
54478590486 is an admirable number.
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, 4539882535 + ... + 4539882546.
It is an arithmetic number, because the mean of its divisors is an integer number (13619647623).
Almost surely, 254478590486 is an apocalyptic number.
54478590486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54478590486 is a wasteful number, since it uses less digits than its factorization.
54478590486 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9079765086.
The product of its (nonzero) digits is 38707200, while the sum is 60.
The spelling of 54478590486 in words is "fifty-four billion, four hundred seventy-eight million, five hundred ninety thousand, four hundred eighty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.106 sec. • engine limits •