Base | Representation |
---|---|
bin | 1111001011010… |
… | …11101010001100 |
3 | 22212120110101020 |
4 | 13211223222030 |
5 | 230043144133 |
6 | 20344514140 |
7 | 3104122311 |
oct | 745535214 |
9 | 285513336 |
10 | 127318668 |
11 | 65960444 |
12 | 3677b950 |
13 | 204ba1b9 |
14 | 12ca2d08 |
15 | b29e0b3 |
hex | 796ba8c |
127318668 has 12 divisors (see below), whose sum is σ = 297076920. Its totient is φ = 42439552.
The previous prime is 127318663. The next prime is 127318669. The reversal of 127318668 is 866813721.
It is a tau number, because it is divible by the number of its divisors (12).
It is a super-3 number, since 3×1273186683 (a number of 25 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (127318663) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5304933 + ... + 5304956.
It is an arithmetic number, because the mean of its divisors is an integer number (24756410).
Almost surely, 2127318668 is an apocalyptic number.
It is an amenable number.
127318668 is an abundant number, since it is smaller than the sum of its proper divisors (169758252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127318668 is a wasteful number, since it uses less digits than its factorization.
127318668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10609896 (or 10609894 counting only the distinct ones).
The product of its digits is 96768, while the sum is 42.
The square root of 127318668 is about 11283.5574177650. The cubic root of 127318668 is about 503.0726364649.
The spelling of 127318668 in words is "one hundred twenty-seven million, three hundred eighteen thousand, six hundred sixty-eight".
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