Base | Representation |
---|---|
bin | 10001111001011… |
… | …00001001001101 |
3 | 101110111020202222 |
4 | 20330230021031 |
5 | 301413032211 |
6 | 22521425125 |
7 | 3502026401 |
oct | 1074541115 |
9 | 343436688 |
10 | 150127181 |
11 | 77819856 |
12 | 4233b1a5 |
13 | 25144a69 |
14 | 15d1d101 |
15 | d2a71db |
hex | 8f2c24d |
150127181 has 2 divisors, whose sum is σ = 150127182. Its totient is φ = 150127180.
The previous prime is 150127123. The next prime is 150127193. The reversal of 150127181 is 181721051.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 105904681 + 44222500 = 10291^2 + 6650^2 .
It is an emirp because it is prime and its reverse (181721051) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 150127181 - 214 = 150110797 is a prime.
It is a super-2 number, since 2×1501271812 = 45076340950013522, which contains 22 as substring.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 150127181.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (150127381) 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 as a sum of consecutive naturals, namely, 75063590 + 75063591.
It is an arithmetic number, because the mean of its divisors is an integer number (75063591).
Almost surely, 2150127181 is an apocalyptic number.
It is an amenable number.
150127181 is a deficient number, since it is larger than the sum of its proper divisors (1).
150127181 is an equidigital number, since it uses as much as digits as its factorization.
150127181 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 560, while the sum is 26.
The square root of 150127181 is about 12252.6397563954. The cubic root of 150127181 is about 531.4794088144.
It can be divided in two parts, 1501 and 27181, that added together give a palindrome (28682).
The spelling of 150127181 in words is "one hundred fifty million, one hundred twenty-seven thousand, one hundred eighty-one".
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