Base | Representation |
---|---|
bin | 101111100110001010… |
… | …0010000111101010100 |
3 | 100202211100010021201122 |
4 | 1133030110100331110 |
5 | 3133312300042322 |
6 | 114542224143112 |
7 | 10245624422150 |
oct | 1371424207524 |
9 | 322740107648 |
10 | 102212112212 |
11 | 3a391088811 |
12 | 17986767a98 |
13 | 983bbc2192 |
14 | 4d38b72060 |
15 | 29d354a442 |
hex | 17cc510f54 |
102212112212 has 24 divisors (see below), whose sum is σ = 206408931456. Its totient is φ = 43379896608.
The previous prime is 102212112151. The next prime is 102212112229. The reversal of 102212112212 is 212211212201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17717663 + ... + 17723430.
It is an arithmetic number, because the mean of its divisors is an integer number (8600372144).
Almost surely, 2102212112212 is an apocalyptic number.
It is an amenable number.
102212112212 is an abundant number, since it is smaller than the sum of its proper divisors (104196819244).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102212112212 is a wasteful number, since it uses less digits than its factorization.
102212112212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35441207 (or 35441205 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 102212112212 its reverse (212211212201), we get a palindrome (314423324413).
The spelling of 102212112212 in words is "one hundred two billion, two hundred twelve million, one hundred twelve thousand, two hundred twelve".
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