Base | Representation |
---|---|
bin | 10001001000010000… |
… | …010111101111101101 |
3 | 1202110210000111221210 |
4 | 101020100113233231 |
5 | 300131340322201 |
6 | 12241010545033 |
7 | 1220526304662 |
oct | 211020275755 |
9 | 52423014853 |
10 | 18392120301 |
11 | 7888966225 |
12 | 3693598179 |
13 | 1971543429 |
14 | c6693da69 |
15 | 729a121d6 |
hex | 448417bed |
18392120301 has 16 divisors (see below), whose sum is σ = 24931900800. Its totient is φ = 12058507200.
The previous prime is 18392120287. The next prime is 18392120303. The reversal of 18392120301 is 10302129381.
It is not a de Polignac number, because 18392120301 - 221 = 18390023149 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18392120303) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158545 + ... + 248838.
It is an arithmetic number, because the mean of its divisors is an integer number (1558243800).
Almost surely, 218392120301 is an apocalyptic number.
It is an amenable number.
18392120301 is a deficient number, since it is larger than the sum of its proper divisors (6539780499).
18392120301 is a wasteful number, since it uses less digits than its factorization.
18392120301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 407636.
The product of its (nonzero) digits is 2592, while the sum is 30.
Adding to 18392120301 its reverse (10302129381), we get a palindrome (28694249682).
The spelling of 18392120301 in words is "eighteen billion, three hundred ninety-two million, one hundred twenty thousand, three hundred one".
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