Base | Representation |
---|---|
bin | 110010011000111100… |
… | …001001000100000000 |
3 | 12011122201001200210010 |
4 | 302120330021010000 |
5 | 1341302002311034 |
6 | 40504500504520 |
7 | 3623533151040 |
oct | 623074110400 |
9 | 164581050703 |
10 | 54105510144 |
11 | 20a45171644 |
12 | a59b9ab140 |
13 | 51434b3c7a |
14 | 2893aab720 |
15 | 161a00c3e9 |
hex | c98f09100 |
54105510144 has 144 divisors (see below), whose sum is σ = 164922347520. Its totient is φ = 15425710080.
The previous prime is 54105510133. The next prime is 54105510167. The reversal of 54105510144 is 44101550145.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2564599 + ... + 2585609.
It is an arithmetic number, because the mean of its divisors is an integer number (1145294080).
Almost surely, 254105510144 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 54105510144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82461173760).
54105510144 is an abundant number, since it is smaller than the sum of its proper divisors (110816837376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54105510144 is a wasteful number, since it uses less digits than its factorization.
54105510144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21516 (or 21502 counting only the distinct ones).
The product of its (nonzero) digits is 8000, while the sum is 30.
The spelling of 54105510144 in words is "fifty-four billion, one hundred five million, five hundred ten thousand, one hundred forty-four".
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