Base | Representation |
---|---|
bin | 11001001111110111… |
… | …00111010010101000 |
3 | 1021222122211020212200 |
4 | 30213323213102220 |
5 | 210230014400434 |
6 | 10121011140200 |
7 | 656621150064 |
oct | 144773472250 |
9 | 37878736780 |
10 | 13554840744 |
11 | 5826399525 |
12 | 27635a4660 |
13 | 1380318633 |
14 | 928318aa4 |
15 | 544eee199 |
hex | 327ee74a8 |
13554840744 has 96 divisors (see below), whose sum is σ = 37683514440. Its totient is φ = 4400064000.
The previous prime is 13554840743. The next prime is 13554840751. The reversal of 13554840744 is 44704845531.
13554840744 is a `hidden beast` number, since 1 + 35 + 548 + 4 + 0 + 74 + 4 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 8452595844 + 5102244900 = 91938^2 + 71430^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 13554840744.
It is not an unprimeable number, because it can be changed into a prime (13554840743) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 428314 + ... + 458870.
Almost surely, 213554840744 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 13554840744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18841757220).
13554840744 is an abundant number, since it is smaller than the sum of its proper divisors (24128673696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13554840744 is a wasteful number, since it uses less digits than its factorization.
13554840744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30731 (or 30724 counting only the distinct ones).
The product of its (nonzero) digits is 1075200, while the sum is 45.
The spelling of 13554840744 in words is "thirteen billion, five hundred fifty-four million, eight hundred forty thousand, seven hundred forty-four".
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