Base | Representation |
---|---|
bin | 101111100000001100… |
… | …1101101001111110011 |
3 | 100202022101222022110220 |
4 | 1133000121231033303 |
5 | 3132410111242321 |
6 | 114510323424123 |
7 | 10240646332260 |
oct | 1370031551763 |
9 | 322271868426 |
10 | 102012212211 |
11 | 3a2992639a8 |
12 | 1792b825043 |
13 | 9809671560 |
14 | 4d1a3b8267 |
15 | 29c0c109c6 |
hex | 17c066d3f3 |
102012212211 has 32 divisors (see below), whose sum is σ = 167453518848. Its totient is φ = 53792933760.
The previous prime is 102012212201. The next prime is 102012212231. The reversal of 102012212211 is 112212210201.
It is not a de Polignac number, because 102012212211 - 27 = 102012212083 is a prime.
It is not an unprimeable number, because it can be changed into a prime (102012212201) 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, 913930 + ... + 1019456.
It is an arithmetic number, because the mean of its divisors is an integer number (5232922464).
Almost surely, 2102012212211 is an apocalyptic number.
102012212211 is a deficient number, since it is larger than the sum of its proper divisors (65441306637).
102012212211 is a wasteful number, since it uses less digits than its factorization.
102012212211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 109091.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 102012212211 its reverse (112212210201), we get a palindrome (214224422412).
The spelling of 102012212211 in words is "one hundred two billion, twelve million, two hundred twelve thousand, two hundred eleven".
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