Base | Representation |
---|---|
bin | 1001011001101100010… |
… | …10010110011001000100 |
3 | 1010212210121020201212101 |
4 | 10230312022112121010 |
5 | 20243031443330040 |
6 | 404222024201444 |
7 | 32224005102502 |
oct | 4546612263104 |
9 | 1125717221771 |
10 | 323031230020 |
11 | 114aa67872a4 |
12 | 52732609284 |
13 | 24600503875 |
14 | 118c5c3d672 |
15 | 86095dc09a |
hex | 4b36296644 |
323031230020 has 24 divisors (see below), whose sum is σ = 718269441624. Its totient is φ = 121611757056.
The previous prime is 323031230009. The next prime is 323031230023. The reversal of 323031230020 is 20032130323.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 54423290944 + 268607939076 = 233288^2 + 518274^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 323031230020.
It is not an unprimeable number, because it can be changed into a prime (323031230023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475045587 + ... + 475046266.
It is an arithmetic number, because the mean of its divisors is an integer number (29927893401).
Almost surely, 2323031230020 is an apocalyptic number.
It is an amenable number.
323031230020 is an abundant number, since it is smaller than the sum of its proper divisors (395238211604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
323031230020 is a wasteful number, since it uses less digits than its factorization.
323031230020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 950091879 (or 950091877 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 323031230020 its reverse (20032130323), we get a palindrome (343063360343).
The spelling of 323031230020 in words is "three hundred twenty-three billion, thirty-one million, two hundred thirty thousand, twenty".
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