Base | Representation |
---|---|
bin | 1000000000101101… |
… | …0011000011000100 |
3 | 12112212102221022110 |
4 | 2000023103003010 |
5 | 13401003222002 |
6 | 553215301020 |
7 | 104201324454 |
oct | 20013230304 |
9 | 5485387273 |
10 | 2150445252 |
11 | a0396338a |
12 | 50021a770 |
13 | 2836a0b17 |
14 | 16585bd64 |
15 | c8bcde6c |
hex | 802d30c4 |
2150445252 has 24 divisors (see below), whose sum is σ = 5022766336. Its totient is φ = 716092128.
The previous prime is 2150445239. The next prime is 2150445259. The reversal of 2150445252 is 2525440512.
It is not an unprimeable number, because it can be changed into a prime (2150445259) 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, 77908 + ... + 101835.
Almost surely, 22150445252 is an apocalyptic number.
It is an amenable number.
2150445252 is an abundant number, since it is smaller than the sum of its proper divisors (2872321084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2150445252 is a wasteful number, since it uses less digits than its factorization.
2150445252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 180747 (or 180745 counting only the distinct ones).
The product of its (nonzero) digits is 16000, while the sum is 30.
The square root of 2150445252 is about 46372.8935047189. The cubic root of 2150445252 is about 1290.7519706838.
Adding to 2150445252 its reverse (2525440512), we get a palindrome (4675885764).
The spelling of 2150445252 in words is "two billion, one hundred fifty million, four hundred forty-five thousand, two hundred fifty-two".
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