Base | Representation |
---|---|
bin | 101111100110011101… |
… | …0000100000111110111 |
3 | 100202212000202201011220 |
4 | 1133030322010013313 |
5 | 3133322314133421 |
6 | 114543220401423 |
7 | 10246104562110 |
oct | 1371472040767 |
9 | 322760681156 |
10 | 102222021111 |
11 | 3a396736491 |
12 | 17989b46273 |
13 | 9840c81432 |
14 | 4d3a1d1207 |
15 | 29d43563c6 |
hex | 17cce841f7 |
102222021111 has 16 divisors (see below), whose sum is σ = 158407008000. Its totient is φ = 57422539008.
The previous prime is 102222021073. The next prime is 102222021127. The reversal of 102222021111 is 111120222201.
It is not a de Polignac number, because 102222021111 - 217 = 102221890039 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102222021131) 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, 41250586 + ... + 41253063.
It is an arithmetic number, because the mean of its divisors is an integer number (9900438000).
Almost surely, 2102222021111 is an apocalyptic number.
102222021111 is a deficient number, since it is larger than the sum of its proper divisors (56184986889).
102222021111 is an equidigital number, since it uses as much as digits as its factorization.
102222021111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82503718.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 102222021111 its reverse (111120222201), we get a palindrome (213342243312).
The spelling of 102222021111 in words is "one hundred two billion, two hundred twenty-two million, twenty-one thousand, one hundred eleven".
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