Base | Representation |
---|---|
bin | 1001100000010000… |
… | …1010111011111101 |
3 | 20120210120220220121 |
4 | 2120010022323331 |
5 | 20211103331310 |
6 | 1101053414541 |
7 | 120136045636 |
oct | 23004127375 |
9 | 6523526817 |
10 | 2551230205 |
11 | 109a115017 |
12 | 5b249a451 |
13 | 318728794 |
14 | 1a2b8888d |
15 | ede9a0da |
hex | 9810aefd |
2551230205 has 32 divisors (see below), whose sum is σ = 3350274048. Its totient is φ = 1857408000.
The previous prime is 2551230203. The next prime is 2551230233. The reversal of 2551230205 is 5020321552.
It is a happy number.
2551230205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2551230205 - 21 = 2551230203 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2551230205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2551230203) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365700 + ... + 372610.
It is an arithmetic number, because the mean of its divisors is an integer number (104696064).
Almost surely, 22551230205 is an apocalyptic number.
It is an amenable number.
2551230205 is a deficient number, since it is larger than the sum of its proper divisors (799043843).
2551230205 is a wasteful number, since it uses less digits than its factorization.
2551230205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7077.
The product of its (nonzero) digits is 3000, while the sum is 25.
The square root of 2551230205 is about 50509.7040676344. The cubic root of 2551230205 is about 1366.4168724176.
Adding to 2551230205 its reverse (5020321552), we get a palindrome (7571551757).
The spelling of 2551230205 in words is "two billion, five hundred fifty-one million, two hundred thirty thousand, two hundred five".
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