Base | Representation |
---|---|
bin | 11110101100101111… |
… | …00110001111001000 |
3 | 1120112121200110222011 |
4 | 33112113212033020 |
5 | 232223220141130 |
6 | 11323233505304 |
7 | 1122265455652 |
oct | 172627461710 |
9 | 46477613864 |
10 | 16481412040 |
11 | 6a98366895 |
12 | 323b712234 |
13 | 1728730822 |
14 | b24c896d2 |
15 | 666ddb52a |
hex | 3d65e63c8 |
16481412040 has 16 divisors (see below), whose sum is σ = 37083177180. Its totient is φ = 6592564800.
The previous prime is 16481412023. The next prime is 16481412047. The reversal of 16481412040 is 4021418461.
It can be written as a sum of positive squares in 2 ways, for example, as 16475776164 + 5635876 = 128358^2 + 2374^2 .
It is a junction number, because it is equal to n+sod(n) for n = 16481411993 and 16481412011.
It is not an unprimeable number, because it can be changed into a prime (16481412047) 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 3 ways as a sum of consecutive naturals, for example, 206017611 + ... + 206017690.
Almost surely, 216481412040 is an apocalyptic number.
16481412040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
16481412040 is an abundant number, since it is smaller than the sum of its proper divisors (20601765140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16481412040 is a wasteful number, since it uses less digits than its factorization.
16481412040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 412035312 (or 412035308 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 31.
The spelling of 16481412040 in words is "sixteen billion, four hundred eighty-one million, four hundred twelve thousand, forty".
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