Base | Representation |
---|---|
bin | 111100111011000… |
… | …111100010010001 |
3 | 2122020022121012120 |
4 | 330323013202101 |
5 | 4043131132241 |
6 | 245231444453 |
7 | 34220651532 |
oct | 7473074221 |
9 | 2566277176 |
10 | 1022130321 |
11 | 484a69703 |
12 | 246386729 |
13 | 1339b8154 |
14 | 99a6c689 |
15 | 5eb03666 |
hex | 3cec7891 |
1022130321 has 8 divisors (see below), whose sum is σ = 1443007584. Its totient is φ = 641336640.
The previous prime is 1022130311. The next prime is 1022130353. The reversal of 1022130321 is 1230312201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1022130321 - 26 = 1022130257 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1022130321.
It is not an unprimeable number, because it can be changed into a prime (1022130311) 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, 10020835 + ... + 10020936.
It is an arithmetic number, because the mean of its divisors is an integer number (180375948).
Almost surely, 21022130321 is an apocalyptic number.
It is an amenable number.
1022130321 is a deficient number, since it is larger than the sum of its proper divisors (420877263).
1022130321 is a wasteful number, since it uses less digits than its factorization.
1022130321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20041791.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 1022130321 is about 31970.7729184016. The cubic root of 1022130321 is about 1007.3230161977.
Adding to 1022130321 its reverse (1230312201), we get a palindrome (2252442522).
The spelling of 1022130321 in words is "one billion, twenty-two million, one hundred thirty thousand, three hundred twenty-one".
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