Base | Representation |
---|---|
bin | 111111111111001… |
… | …0110011000001100 |
3 | 12112122001111022011 |
4 | 1333332112120030 |
5 | 13344121113040 |
6 | 553014431004 |
7 | 104130426652 |
oct | 17776263014 |
9 | 5478044264 |
10 | 2147051020 |
11 | a01a55234 |
12 | 4bb062464 |
13 | 282a82bba |
14 | 165216dd2 |
15 | c875d3ea |
hex | 7ff9660c |
2147051020 has 24 divisors (see below), whose sum is σ = 4516117200. Its totient is φ = 857428032.
The previous prime is 2147050981. The next prime is 2147051021. The reversal of 2147051020 is 201507412.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 2147050982 and 2147051000.
It is not an unprimeable number, because it can be changed into a prime (2147051021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74335 + ... + 99094.
It is an arithmetic number, because the mean of its divisors is an integer number (188171550).
Almost surely, 22147051020 is an apocalyptic number.
2147051020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2147051020 is an abundant number, since it is smaller than the sum of its proper divisors (2369066180).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2147051020 is a wasteful number, since it uses less digits than its factorization.
2147051020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 174057 (or 174055 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 22.
The square root of 2147051020 is about 46336.2818965873. The cubic root of 2147051020 is about 1290.0725115981.
Adding to 2147051020 its reverse (201507412), we get a palindrome (2348558432).
The spelling of 2147051020 in words is "two billion, one hundred forty-seven million, fifty-one thousand, twenty".
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