Base | Representation |
---|---|
bin | 101111100110011001… |
… | …1001010010000001101 |
3 | 100202211220100202110122 |
4 | 1133030303022100031 |
5 | 3133321333224323 |
6 | 114543113514325 |
7 | 10246053313331 |
oct | 1371463122015 |
9 | 322756322418 |
10 | 102220211213 |
11 | 3a39570a6aa |
12 | 179894129a5 |
13 | 98407996a3 |
14 | 4d39c7d7c1 |
15 | 29d40e9ec8 |
hex | 17cccca40d |
102220211213 has 8 divisors (see below), whose sum is σ = 102689581848. Its totient is φ = 101751660864.
The previous prime is 102220211209. The next prime is 102220211257. The reversal of 102220211213 is 312112022201.
It can be written as a sum of positive squares in 4 ways, for example, as 47390242249 + 54829968964 = 217693^2 + 234158^2 .
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 102220211213 - 22 = 102220211209 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102220211191 and 102220211200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102220211813) 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, 45431 + ... + 454427.
It is an arithmetic number, because the mean of its divisors is an integer number (12836197731).
Almost surely, 2102220211213 is an apocalyptic number.
It is an amenable number.
102220211213 is a deficient number, since it is larger than the sum of its proper divisors (469370635).
102220211213 is an equidigital number, since it uses as much as digits as its factorization.
102220211213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 410143.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 102220211213 its reverse (312112022201), we get a palindrome (414332233414).
The spelling of 102220211213 in words is "one hundred two billion, two hundred twenty million, two hundred eleven thousand, two hundred thirteen".
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