Base | Representation |
---|---|
bin | 111001011101111110… |
… | …1000110110101001100 |
3 | 102210112211021122111122 |
4 | 1302323331012311030 |
5 | 4010222041124234 |
6 | 132410032540112 |
7 | 11626163311124 |
oct | 1627375066514 |
9 | 383484248448 |
10 | 123412442444 |
11 | 48380119695 |
12 | 1bb026b1638 |
13 | b83a178695 |
14 | 5d8a631c84 |
15 | 332486992e |
hex | 1cbbf46d4c |
123412442444 has 6 divisors (see below), whose sum is σ = 215971774284. Its totient is φ = 61706221220.
The previous prime is 123412442383. The next prime is 123412442453. The reversal of 123412442444 is 444244214321.
It is a super-2 number, since 2×1234124424442 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15426555302 + ... + 15426555309.
It is an arithmetic number, because the mean of its divisors is an integer number (35995295714).
Almost surely, 2123412442444 is an apocalyptic number.
It is an amenable number.
123412442444 is a deficient number, since it is larger than the sum of its proper divisors (92559331840).
123412442444 is a wasteful number, since it uses less digits than its factorization.
123412442444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30853110615 (or 30853110613 counting only the distinct ones).
The product of its digits is 98304, while the sum is 35.
Adding to 123412442444 its reverse (444244214321), we get a palindrome (567656656765).
The spelling of 123412442444 in words is "one hundred twenty-three billion, four hundred twelve million, four hundred forty-two thousand, four hundred forty-four".
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