Base | Representation |
---|---|
bin | 101111100010110100… |
… | …1011011100100110011 |
3 | 100202112112120120202110 |
4 | 1133011221123210303 |
5 | 3133100124021321 |
6 | 114523150020403 |
7 | 10243065360333 |
oct | 1370551334463 |
9 | 322475516673 |
10 | 102100220211 |
11 | 3a333a04690 |
12 | 179551a7703 |
13 | 98219768b2 |
14 | 4d27d670c3 |
15 | 29c87e7176 |
hex | 17c5a5b933 |
102100220211 has 16 divisors (see below), whose sum is σ = 148514751360. Its totient is φ = 61876696320.
The previous prime is 102100220179. The next prime is 102100220227. The reversal of 102100220211 is 112022001201.
It is not a de Polignac number, because 102100220211 - 25 = 102100220179 is a prime.
It is not an unprimeable number, because it can be changed into a prime (102100220231) 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, 1789320 + ... + 1845498.
It is an arithmetic number, because the mean of its divisors is an integer number (9282171960).
Almost surely, 2102100220211 is an apocalyptic number.
102100220211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
102100220211 is a deficient number, since it is larger than the sum of its proper divisors (46414531149).
102100220211 is a wasteful number, since it uses less digits than its factorization.
102100220211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111266.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 102100220211 its reverse (112022001201), we get a palindrome (214122221412).
The spelling of 102100220211 in words is "one hundred two billion, one hundred million, two hundred twenty thousand, two hundred eleven".
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