Base | Representation |
---|---|
bin | 1000000000100111… |
… | …0111101111110000 |
3 | 12112211201221022122 |
4 | 2000021313233300 |
5 | 13400404240110 |
6 | 553203253412 |
7 | 104165206250 |
oct | 20011675760 |
9 | 5484657278 |
10 | 2150071280 |
11 | a03728415 |
12 | 50007a268 |
13 | 28359c836 |
14 | 1657a1960 |
15 | c8b58255 |
hex | 80277bf0 |
2150071280 has 80 divisors (see below), whose sum is σ = 5961475584. Its totient is φ = 705112320.
The previous prime is 2150071279. The next prime is 2150071289. The reversal of 2150071280 is 821700512.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2150071289) 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, 70586 + ... + 96345.
Almost surely, 22150071280 is an apocalyptic number.
2150071280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2150071280 is an abundant number, since it is smaller than the sum of its proper divisors (3811404304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2150071280 is a wasteful number, since it uses less digits than its factorization.
2150071280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 166974 (or 166968 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 26.
The square root of 2150071280 is about 46368.8611031153. The cubic root of 2150071280 is about 1290.6771438420.
Adding to 2150071280 its reverse (821700512), we get a palindrome (2971771792).
The spelling of 2150071280 in words is "two billion, one hundred fifty million, seventy-one thousand, two hundred eighty".
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