Base | Representation |
---|---|
bin | 10001111000100… |
… | …00010001011101 |
3 | 101110021110011211 |
4 | 20330100101131 |
5 | 301400404041 |
6 | 22515144421 |
7 | 3501042514 |
oct | 1074202135 |
9 | 343243154 |
10 | 150013021 |
11 | 77751004 |
12 | 422a5111 |
13 | 25104b02 |
14 | 15ccd67b |
15 | d283481 |
hex | 8f1045d |
150013021 has 8 divisors (see below), whose sum is σ = 152133120. Its totient is φ = 147898608.
The previous prime is 150013013. The next prime is 150013033. The reversal of 150013021 is 120310051.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 150013021 - 23 = 150013013 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 150012992 and 150013010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (150013081) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100140 + ... + 101626.
It is an arithmetic number, because the mean of its divisors is an integer number (19016640).
Almost surely, 2150013021 is an apocalyptic number.
It is an amenable number.
150013021 is a deficient number, since it is larger than the sum of its proper divisors (2120099).
150013021 is a wasteful number, since it uses less digits than its factorization.
150013021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2843.
The product of its (nonzero) digits is 30, while the sum is 13.
The square root of 150013021 is about 12247.9802824792. The cubic root of 150013021 is about 531.3446584545.
Adding to 150013021 its reverse (120310051), we get a palindrome (270323072).
The spelling of 150013021 in words is "one hundred fifty million, thirteen thousand, twenty-one".
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