Base | Representation |
---|---|
bin | 101111100010111000… |
… | …1000001101010001011 |
3 | 100202112200022201220012 |
4 | 1133011301001222023 |
5 | 3133101131224321 |
6 | 114523300422135 |
7 | 10243121322110 |
oct | 1370561015213 |
9 | 322480281805 |
10 | 102102211211 |
11 | 3a335044540 |
12 | 179559a794b |
13 | 98221c2bc0 |
14 | 4d28324907 |
15 | 29c8a8c05b |
hex | 17c5c41a8b |
102102211211 has 32 divisors (see below), whose sum is σ = 138369627648. Its totient is φ = 72753719040.
The previous prime is 102102211181. The next prime is 102102211219. The reversal of 102102211211 is 112112201201.
It is a cyclic number.
It is not a de Polignac number, because 102102211211 - 230 = 101028469387 is a prime.
It is not an unprimeable number, because it can be changed into a prime (102102211219) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369530 + ... + 583743.
It is an arithmetic number, because the mean of its divisors is an integer number (4324050864).
Almost surely, 2102102211211 is an apocalyptic number.
102102211211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
102102211211 is a deficient number, since it is larger than the sum of its proper divisors (36267416437).
102102211211 is a wasteful number, since it uses less digits than its factorization.
102102211211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 953411.
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 102102211211 its reverse (112112201201), we get a palindrome (214214412412).
It can be divided in two parts, 102102 and 211211, that added together give a palindrome (313313).
The spelling of 102102211211 in words is "one hundred two billion, one hundred two million, two hundred eleven thousand, two hundred eleven".
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