Base | Representation |
---|---|
bin | 1000000000100111… |
… | …0111110111000001 |
3 | 12112211201221221212 |
4 | 2000021313313001 |
5 | 13400404243440 |
6 | 553203255505 |
7 | 104165210513 |
oct | 20011676701 |
9 | 5484657855 |
10 | 2150071745 |
11 | a037287a8 |
12 | 50007a595 |
13 | 28359cb03 |
14 | 1657a1bb3 |
15 | c8b58465 |
hex | 80277dc1 |
2150071745 has 16 divisors (see below), whose sum is σ = 2672453520. Its totient is φ = 1658630400.
The previous prime is 2150071733. The next prime is 2150071747. The reversal of 2150071745 is 5471700512.
It can be written as a sum of positive squares in 8 ways, for example, as 173056 + 2149898689 = 416^2 + 46367^2 .
It is not a de Polignac number, because 2150071745 - 218 = 2149809601 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2150071747) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110015 + ... + 128075.
It is an arithmetic number, because the mean of its divisors is an integer number (167028345).
Almost surely, 22150071745 is an apocalyptic number.
It is an amenable number.
2150071745 is a deficient number, since it is larger than the sum of its proper divisors (522381775).
2150071745 is a wasteful number, since it uses less digits than its factorization.
2150071745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18916.
The product of its (nonzero) digits is 9800, while the sum is 32.
The square root of 2150071745 is about 46368.8661172559. The cubic root of 2150071745 is about 1290.6772368877.
The spelling of 2150071745 in words is "two billion, one hundred fifty million, seventy-one thousand, seven hundred forty-five".
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