Base | Representation |
---|---|
bin | 10001111000100… |
… | …00110010111001 |
3 | 101110021120010002 |
4 | 20330100302321 |
5 | 301400441121 |
6 | 22515202345 |
7 | 3501051662 |
oct | 1074206271 |
9 | 343246102 |
10 | 150015161 |
11 | 7775267a |
12 | 422a63b5 |
13 | 25105a8a |
14 | 15cd0369 |
15 | d283e0b |
hex | 8f10cb9 |
150015161 has 4 divisors (see below), whose sum is σ = 150175524. Its totient is φ = 149854800.
The previous prime is 150015149. The next prime is 150015179. The reversal of 150015161 is 161510051.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161510051 = 19 ⋅8500529.
It can be written as a sum of positive squares in 2 ways, for example, as 107765161 + 42250000 = 10381^2 + 6500^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-150015161 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (150015181) 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 in 3 ways as a sum of consecutive naturals, for example, 78770 + ... + 80651.
It is an arithmetic number, because the mean of its divisors is an integer number (37543881).
Almost surely, 2150015161 is an apocalyptic number.
It is an amenable number.
150015161 is a deficient number, since it is larger than the sum of its proper divisors (160363).
150015161 is an equidigital number, since it uses as much as digits as its factorization.
150015161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160362.
The product of its (nonzero) digits is 150, while the sum is 20.
The square root of 150015161 is about 12248.0676435101. The cubic root of 150015161 is about 531.3471850622.
It can be divided in two parts, 1500 and 15161, that added together give a palindrome (16661).
The spelling of 150015161 in words is "one hundred fifty million, fifteen thousand, one hundred sixty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •