Base | Representation |
---|---|
bin | 101111100110011111… |
… | …0101001000110000001 |
3 | 100202212010000200021201 |
4 | 1133030332221012001 |
5 | 3133323121033441 |
6 | 114543302221201 |
7 | 10246121020510 |
oct | 1371476510601 |
9 | 322763020251 |
10 | 102223221121 |
11 | 3a39738602a |
12 | 1798a424801 |
13 | 98412b16b8 |
14 | 4d3a424677 |
15 | 29d44e1c31 |
hex | 17ccfa9181 |
102223221121 has 8 divisors (see below), whose sum is σ = 116860031424. Its totient is φ = 87594784080.
The previous prime is 102223221119. The next prime is 102223221137. The reversal of 102223221121 is 121122322201.
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 102223221121 - 21 = 102223221119 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102223221161) 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, 2067130 + ... + 2116003.
It is an arithmetic number, because the mean of its divisors is an integer number (14607503928).
Almost surely, 2102223221121 is an apocalyptic number.
It is an amenable number.
102223221121 is a deficient number, since it is larger than the sum of its proper divisors (14636810303).
102223221121 is an equidigital number, since it uses as much as digits as its factorization.
102223221121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4186631.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 102223221121 its reverse (121122322201), we get a palindrome (223345543322).
The spelling of 102223221121 in words is "one hundred two billion, two hundred twenty-three million, two hundred twenty-one thousand, one hundred twenty-one".
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