Base | Representation |
---|---|
bin | 10001111101011… |
… | …11010011101111 |
3 | 101111111112202010 |
4 | 20332233103233 |
5 | 302032230211 |
6 | 22541132303 |
7 | 3506424621 |
oct | 1076572357 |
9 | 344445663 |
10 | 150664431 |
11 | 78056465 |
12 | 4255a093 |
13 | 252a2468 |
14 | 1601cc11 |
15 | d3614a6 |
hex | 8faf4ef |
150664431 has 4 divisors (see below), whose sum is σ = 200885912. Its totient is φ = 100442952.
The previous prime is 150664403. The next prime is 150664511. The reversal of 150664431 is 134466051.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134466051 = 3 ⋅44822017.
It is not a de Polignac number, because 150664431 - 211 = 150662383 is a prime.
It is a super-2 number, since 2×1506644312 = 45399541537107522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (150664231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25110736 + ... + 25110741.
It is an arithmetic number, because the mean of its divisors is an integer number (50221478).
Almost surely, 2150664431 is an apocalyptic number.
150664431 is a deficient number, since it is larger than the sum of its proper divisors (50221481).
150664431 is an equidigital number, since it uses as much as digits as its factorization.
150664431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50221480.
The product of its (nonzero) digits is 8640, while the sum is 30.
The square root of 150664431 is about 12274.5440241176. The cubic root of 150664431 is about 532.1126438600.
The spelling of 150664431 in words is "one hundred fifty million, six hundred sixty-four thousand, four hundred thirty-one".
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