Base | Representation |
---|---|
bin | 11101010010000110… |
… | …001011111000101100 |
3 | 10000011020220102001102 |
4 | 131102012023320230 |
5 | 1003343140434312 |
6 | 22235545502232 |
7 | 2162110434653 |
oct | 352206137054 |
9 | 100136812042 |
10 | 31442124332 |
11 | 12375294423 |
12 | 6115aa1978 |
13 | 2c710a22c8 |
14 | 1743ba419a |
15 | c4053eec2 |
hex | 75218be2c |
31442124332 has 36 divisors (see below), whose sum is σ = 57821963136. Its totient is φ = 14958614880.
The previous prime is 31442124323. The next prime is 31442124349. The reversal of 31442124332 is 23342124413.
It is a junction number, because it is equal to n+sod(n) for n = 31442124295 and 31442124304.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 365258 + ... + 443054.
Almost surely, 231442124332 is an apocalyptic number.
It is an amenable number.
31442124332 is a deficient number, since it is larger than the sum of its proper divisors (26379838804).
31442124332 is a wasteful number, since it uses less digits than its factorization.
31442124332 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78038 (or 78013 counting only the distinct ones).
The product of its digits is 13824, while the sum is 29.
Adding to 31442124332 its reverse (23342124413), we get a palindrome (54784248745).
The spelling of 31442124332 in words is "thirty-one billion, four hundred forty-two million, one hundred twenty-four thousand, three hundred thirty-two".
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