Search a number
-
+
4021130032 = 24318107117
BaseRepresentation
bin1110111110101101…
…1001001100110000
3101101020110120101221
43233223121030300
531213402130112
61503002434424
7201435020113
oct35753311460
911336416357
104021130032
111783906567
12942802a14
134c110c2aa
142a209457a
1518804ae07
hexefad9330

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".

Divisors: 1 2 4 8 16 31 62 124 248 496 8107117 16214234 32428468 64856936 129713872 251320627 502641254 1005282508 2010565016 4021130032