Base | Representation |
---|---|
bin | 11100000100100000… |
… | …001011011101111000 |
3 | 2212210112022200001221 |
4 | 130010200023131320 |
5 | 443211410044022 |
6 | 21502443321424 |
7 | 2114622311656 |
oct | 340440133570 |
9 | 85715280057 |
10 | 30140315512 |
11 | 1186747116a |
12 | 5a11b20274 |
13 | 2ac4482c28 |
14 | 165cd31dd6 |
15 | bb60e3cc7 |
hex | 70480b778 |
30140315512 has 16 divisors (see below), whose sum is σ = 59837391360. Its totient is φ = 14183677824.
The previous prime is 30140315479. The next prime is 30140315537. The reversal of 30140315512 is 21551304103.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110809848 + ... + 110810119.
It is an arithmetic number, because the mean of its divisors is an integer number (3739836960).
Almost surely, 230140315512 is an apocalyptic number.
It is an amenable number.
30140315512 is a deficient number, since it is larger than the sum of its proper divisors (29697075848).
30140315512 is a wasteful number, since it uses less digits than its factorization.
30140315512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 221619990 (or 221619986 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 25.
Adding to 30140315512 its reverse (21551304103), we get a palindrome (51691619615).
The spelling of 30140315512 in words is "thirty billion, one hundred forty million, three hundred fifteen thousand, five hundred twelve".
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