Base | Representation |
---|---|
bin | 101111100010111000… |
… | …1000001111001111110 |
3 | 100202112200022210021122 |
4 | 1133011301001321332 |
5 | 3133101131242342 |
6 | 114523300430542 |
7 | 10243121325053 |
oct | 1370561017176 |
9 | 322480283248 |
10 | 102102212222 |
11 | 3a33504527a |
12 | 179559a8452 |
13 | 98221c34ba |
14 | 4d2832502a |
15 | 29c8a8c4d2 |
hex | 17c5c41e7e |
102102212222 has 32 divisors (see below), whose sum is σ = 155641699584. Its totient is φ = 50228640000.
The previous prime is 102102212207. The next prime is 102102212227. The reversal of 102102212222 is 222212201201.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 102102212222.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102102212227) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30724253 + ... + 30727575.
It is an arithmetic number, because the mean of its divisors is an integer number (4863803112).
Almost surely, 2102102212222 is an apocalyptic number.
102102212222 is a deficient number, since it is larger than the sum of its proper divisors (53539487362).
102102212222 is a wasteful number, since it uses less digits than its factorization.
102102212222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4304.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 102102212222 its reverse (222212201201), we get a palindrome (324314413423).
The spelling of 102102212222 in words is "one hundred two billion, one hundred two million, two hundred twelve thousand, two hundred twenty-two".
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