Base | Representation |
---|---|
bin | 101111100110001000… |
… | …0110100101111100100 |
3 | 100202211021102110102020 |
4 | 1133030100310233210 |
5 | 3133312032211322 |
6 | 114542152543140 |
7 | 10245613644336 |
oct | 1371420645744 |
9 | 322737373366 |
10 | 102211210212 |
11 | 3a390622061 |
12 | 179863b1ab0 |
13 | 983b967757 |
14 | 4d389b9456 |
15 | 29d341d05c |
hex | 17cc434be4 |
102211210212 has 96 divisors (see below), whose sum is σ = 243510744960. Its totient is φ = 33362165760.
The previous prime is 102211210183. The next prime is 102211210219. The reversal of 102211210212 is 212012112201.
It is a junction number, because it is equal to n+sod(n) for n = 102211210191 and 102211210200.
It is not an unprimeable number, because it can be changed into a prime (102211210219) 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 31 ways as a sum of consecutive naturals, for example, 72540964 + ... + 72542372.
It is an arithmetic number, because the mean of its divisors is an integer number (2536570260).
Almost surely, 2102211210212 is an apocalyptic number.
102211210212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
102211210212 is an abundant number, since it is smaller than the sum of its proper divisors (141299534748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102211210212 is a wasteful number, since it uses less digits than its factorization.
102211210212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2093 (or 2091 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 102211210212 its reverse (212012112201), we get a palindrome (314223322413).
The spelling of 102211210212 in words is "one hundred two billion, two hundred eleven million, two hundred ten thousand, two hundred twelve".
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