Base | Representation |
---|---|
bin | 10001111001011… |
… | …10111110100101 |
3 | 101110111211200220 |
4 | 20330232332211 |
5 | 301413420124 |
6 | 22521554553 |
7 | 3502105263 |
oct | 1074567645 |
9 | 343454626 |
10 | 150138789 |
11 | 77827549 |
12 | 42345a59 |
13 | 2514a128 |
14 | 15d23433 |
15 | d2aa879 |
hex | 8f2efa5 |
150138789 has 8 divisors (see below), whose sum is σ = 202719360. Its totient is φ = 98825376.
The previous prime is 150138787. The next prime is 150138799. The reversal of 150138789 is 987831051.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 150138789 - 21 = 150138787 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 150138789.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (150138787) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316512 + ... + 316985.
It is an arithmetic number, because the mean of its divisors is an integer number (25339920).
Almost surely, 2150138789 is an apocalyptic number.
It is an amenable number.
150138789 is a deficient number, since it is larger than the sum of its proper divisors (52580571).
150138789 is an equidigital number, since it uses as much as digits as its factorization.
150138789 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 633579.
The product of its (nonzero) digits is 60480, while the sum is 42.
The square root of 150138789 is about 12253.1134410810. The cubic root of 150138789 is about 531.4931066536.
The spelling of 150138789 in words is "one hundred fifty million, one hundred thirty-eight thousand, seven hundred eighty-nine".
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