Base | Representation |
---|---|
bin | 1100001011000… |
… | …11101100011111 |
3 | 21010011020121111 |
4 | 12011203230133 |
5 | 202120321343 |
6 | 14044442451 |
7 | 2350002412 |
oct | 605435437 |
9 | 233136544 |
10 | 102120223 |
11 | 5270a487 |
12 | 2a249427 |
13 | 1820688a |
14 | d7c3b79 |
15 | 8e72c9d |
hex | 6163b1f |
102120223 has 8 divisors (see below), whose sum is σ = 107131680. Its totient is φ = 97208160.
The previous prime is 102120203. The next prime is 102120301. The reversal of 102120223 is 322021201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-102120223 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102120203) 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, 22740 + ... + 26857.
It is an arithmetic number, because the mean of its divisors is an integer number (13391460).
Almost surely, 2102120223 is an apocalyptic number.
102120223 is a deficient number, since it is larger than the sum of its proper divisors (5011457).
102120223 is an equidigital number, since it uses as much as digits as its factorization.
102120223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49697.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 102120223 is about 10105.4551109784. The cubic root of 102120223 is about 467.4163698384.
Adding to 102120223 its reverse (322021201), we get a palindrome (424141424).
The spelling of 102120223 in words is "one hundred two million, one hundred twenty thousand, two hundred twenty-three".
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