Base | Representation |
---|---|
bin | 110010011111110100… |
… | …100001100010110100 |
3 | 12011221202021211200100 |
4 | 302133310201202310 |
5 | 1342021031010110 |
6 | 40524143114100 |
7 | 3626434334310 |
oct | 623764414264 |
9 | 164852254610 |
10 | 54220953780 |
11 | 20aa4351104 |
12 | a6125a2930 |
13 | 51613a4006 |
14 | 28a515cb40 |
15 | 1625212bc0 |
hex | c9fd218b4 |
54220953780 has 144 divisors (see below), whose sum is σ = 188142724224. Its totient is φ = 12381707520.
The previous prime is 54220953757. The next prime is 54220953791. The reversal of 54220953780 is 8735902245.
54220953780 is a `hidden beast` number, since 54 + 220 + 9 + 5 + 378 + 0 = 666.
54220953780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (45).
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, 1357495 + ... + 1396865.
It is an arithmetic number, because the mean of its divisors is an integer number (1306546696).
Almost surely, 254220953780 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 54220953780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94071362112).
54220953780 is an abundant number, since it is smaller than the sum of its proper divisors (133921770444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54220953780 is a wasteful number, since it uses less digits than its factorization.
54220953780 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40486 (or 40481 counting only the distinct ones).
The product of its (nonzero) digits is 604800, while the sum is 45.
The spelling of 54220953780 in words is "fifty-four billion, two hundred twenty million, nine hundred fifty-three thousand, seven hundred eighty".
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