Base | Representation |
---|---|
bin | 111001010100110000… |
… | …1110111000110000100 |
3 | 102202202021121002210201 |
4 | 1302221201313012010 |
5 | 4004103421411322 |
6 | 132315231100244 |
7 | 11615420605021 |
oct | 1625141670604 |
9 | 382667532721 |
10 | 123103310212 |
11 | 48231678003 |
12 | 1ba37071684 |
13 | b7bb100cbc |
14 | 5d5b562548 |
15 | 3307654d27 |
hex | 1ca9877184 |
123103310212 has 6 divisors (see below), whose sum is σ = 215430792878. Its totient is φ = 61551655104.
The previous prime is 123103310189. The next prime is 123103310243. The reversal of 123103310212 is 212013301321.
It can be written as a sum of positive squares in only one way, i.e., 66551616576 + 56551693636 = 257976^2 + 237806^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 123103310212.
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 as a sum of consecutive naturals, namely, 15387913773 + ... + 15387913780.
Almost surely, 2123103310212 is an apocalyptic number.
It is an amenable number.
123103310212 is a deficient number, since it is larger than the sum of its proper divisors (92327482666).
123103310212 is a wasteful number, since it uses less digits than its factorization.
123103310212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30775827557 (or 30775827555 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 123103310212 its reverse (212013301321), we get a palindrome (335116611533).
The spelling of 123103310212 in words is "one hundred twenty-three billion, one hundred three million, three hundred ten thousand, two hundred twelve".
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