Base | Representation |
---|---|
bin | 111100100010010… |
… | …0010000101100100 |
3 | 12020120010020120002 |
4 | 1321010202011210 |
5 | 13124443400312 |
6 | 533320200432 |
7 | 101223116144 |
oct | 17104420544 |
9 | 5216106502 |
10 | 2031231332 |
11 | 952639189 |
12 | 488309118 |
13 | 264a90940 |
14 | 153aa8924 |
15 | bd4d14c2 |
hex | 79122164 |
2031231332 has 48 divisors (see below), whose sum is σ = 4110486912. Its totient is φ = 869890560.
The previous prime is 2031231317. The next prime is 2031231337. The reversal of 2031231332 is 2331321302.
It is not an unprimeable number, because it can be changed into a prime (2031231337) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46583 + ... + 78945.
It is an arithmetic number, because the mean of its divisors is an integer number (85635144).
Almost surely, 22031231332 is an apocalyptic number.
It is an amenable number.
2031231332 is an abundant number, since it is smaller than the sum of its proper divisors (2079255580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2031231332 is a wasteful number, since it uses less digits than its factorization.
2031231332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32468 (or 32466 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 20.
The square root of 2031231332 is about 45069.1838399588. The cubic root of 2031231332 is about 1266.4453750383.
Adding to 2031231332 its reverse (2331321302), we get a palindrome (4362552634).
The spelling of 2031231332 in words is "two billion, thirty-one million, two hundred thirty-one thousand, three hundred thirty-two".
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