Base | Representation |
---|---|
bin | 1110101100100… |
… | …11100010100100 |
3 | 22120222122221201 |
4 | 13112103202210 |
5 | 223030201331 |
6 | 20122252244 |
7 | 3024633256 |
oct | 726234244 |
9 | 276878851 |
10 | 123287716 |
11 | 63657982 |
12 | 35357084 |
13 | 1c708516 |
14 | 12533cd6 |
15 | ac54a61 |
hex | 75938a4 |
123287716 has 12 divisors (see below), whose sum is σ = 218485120. Its totient is φ = 60863400.
The previous prime is 123287693. The next prime is 123287719. The reversal of 123287716 is 617782321.
It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (123287719) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194760 + ... + 195391.
Almost surely, 2123287716 is an apocalyptic number.
It is an amenable number.
123287716 is a deficient number, since it is larger than the sum of its proper divisors (95197404).
123287716 is a wasteful number, since it uses less digits than its factorization.
123287716 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 390234 (or 390232 counting only the distinct ones).
The product of its digits is 28224, while the sum is 37.
The square root of 123287716 is about 11103.5001688657. The cubic root of 123287716 is about 497.7064500101.
The spelling of 123287716 in words is "one hundred twenty-three million, two hundred eighty-seven thousand, seven hundred sixteen".
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