Base | Representation |
---|---|
bin | 1110111110101101… |
… | …1001001100110000 |
3 | 101101020110120101221 |
4 | 3233223121030300 |
5 | 31213402130112 |
6 | 1503002434424 |
7 | 201435020113 |
oct | 35753311460 |
9 | 11336416357 |
10 | 4021130032 |
11 | 1783906567 |
12 | 942802a14 |
13 | 4c110c2aa |
14 | 2a209457a |
15 | 18804ae07 |
hex | efad9330 |
4021130032 has 20 divisors (see below), whose sum is σ = 8042261056. Its totient is φ = 1945707840.
The previous prime is 4021129873. The next prime is 4021130033. The reversal of 4021130032 is 2300311204.
It is a happy number.
4021130032 is an admirable number.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a junction number, because it is equal to n+sod(n) for n = 4021129988 and 4021130015.
It is not an unprimeable number, because it can be changed into a prime (4021130033) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4053063 + ... + 4054054.
Almost surely, 24021130032 is an apocalyptic number.
It is an amenable number.
4021130032 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.
4021130032 is a wasteful number, since it uses less digits than its factorization.
4021130032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8107156 (or 8107150 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 4021130032 is about 63412.3807469803. The cubic root of 4021130032 is about 1590.1912974745.
Adding to 4021130032 its reverse (2300311204), we get a palindrome (6321441236).
The spelling of 4021130032 in words is "four billion, twenty-one million, one hundred thirty thousand, thirty-two".
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