Base | Representation |
---|---|
bin | 101111100110011101… |
… | …0000011111000010000 |
3 | 100202212000202122210220 |
4 | 1133030322003320100 |
5 | 3133322314120422 |
6 | 114543220353040 |
7 | 10246104556152 |
oct | 1371472037020 |
9 | 322760678726 |
10 | 102222020112 |
11 | 3a396735763 |
12 | 17989b45780 |
13 | 9840c80b44 |
14 | 4d3a1d0ad2 |
15 | 29d4355e5c |
hex | 17cce83e10 |
102222020112 has 20 divisors (see below), whose sum is σ = 264073552080. Its totient is φ = 34074006688.
The previous prime is 102222020093. The next prime is 102222020113. The reversal of 102222020112 is 211020222201.
It is a junction number, because it is equal to n+sod(n) for n = 102222020091 and 102222020100.
It is not an unprimeable number, because it can be changed into a prime (102222020113) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064812662 + ... + 1064812757.
It is an arithmetic number, because the mean of its divisors is an integer number (13203677604).
Almost surely, 2102222020112 is an apocalyptic number.
102222020112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
102222020112 is an abundant number, since it is smaller than the sum of its proper divisors (161851531968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102222020112 is a wasteful number, since it uses less digits than its factorization.
102222020112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2129625430 (or 2129625424 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 102222020112 its reverse (211020222201), we get a palindrome (313242242313).
The spelling of 102222020112 in words is "one hundred two billion, two hundred twenty-two million, twenty thousand, one hundred twelve".
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