Base | Representation |
---|---|
bin | 1111001011000… |
… | …11011110000010 |
3 | 22212111202100210 |
4 | 13211203132002 |
5 | 230041110442 |
6 | 20344054550 |
7 | 3103622436 |
oct | 745433602 |
9 | 285452323 |
10 | 127285122 |
11 | 65938218 |
12 | 36764456 |
13 | 204a7b53 |
14 | 12c949c6 |
15 | b29419c |
hex | 7963782 |
127285122 has 8 divisors (see below), whose sum is σ = 254570256. Its totient is φ = 42428372.
The previous prime is 127285111. The next prime is 127285127. The reversal of 127285122 is 221582721.
It is a sphenic number, since it is the product of 3 distinct primes.
127285122 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 127285122.
It is not an unprimeable number, because it can be changed into a prime (127285127) 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, 10607088 + ... + 10607099.
It is an arithmetic number, because the mean of its divisors is an integer number (31821282).
Almost surely, 2127285122 is an apocalyptic number.
127285122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127285122 is a wasteful number, since it uses less digits than its factorization.
127285122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21214192.
The product of its digits is 4480, while the sum is 30.
The square root of 127285122 is about 11282.0708205542. The cubic root of 127285122 is about 503.0284492892.
The spelling of 127285122 in words is "one hundred twenty-seven million, two hundred eighty-five thousand, one hundred twenty-two".
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