Base | Representation |
---|---|
bin | 111100110110110… |
… | …110000100101111 |
3 | 2122011012200201110 |
4 | 330312312010233 |
5 | 4042334311343 |
6 | 245151443103 |
7 | 34205305122 |
oct | 7466660457 |
9 | 2564180643 |
10 | 1021010223 |
11 | 484374102 |
12 | 245b26493 |
13 | 1336b537c |
14 | 9985a3b9 |
15 | 5e981833 |
hex | 3cdb612f |
1021010223 has 8 divisors (see below), whose sum is σ = 1361655936. Its totient is φ = 680519000.
The previous prime is 1021010197. The next prime is 1021010231. The reversal of 1021010223 is 3220101201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1021010223 - 29 = 1021009711 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1021010199 and 1021010208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1021010233) 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, 22203 + ... + 50348.
It is an arithmetic number, because the mean of its divisors is an integer number (170206992).
Almost surely, 21021010223 is an apocalyptic number.
1021010223 is a deficient number, since it is larger than the sum of its proper divisors (340645713).
1021010223 is an equidigital number, since it uses as much as digits as its factorization.
1021010223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 77245.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 1021010223 is about 31953.2505858168. The cubic root of 1021010223 is about 1006.9549245523.
Adding to 1021010223 its reverse (3220101201), we get a palindrome (4241111424).
The spelling of 1021010223 in words is "one billion, twenty-one million, ten thousand, two hundred twenty-three".
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