Base | Representation |
---|---|
bin | 111100110011110… |
… | …000110001111110 |
3 | 2122002200122012100 |
4 | 330303300301332 |
5 | 4042132431420 |
6 | 245122245530 |
7 | 34165401114 |
oct | 7463606176 |
9 | 2562618170 |
10 | 1020202110 |
11 | 483971a44 |
12 | 2457b68a6 |
13 | 1334915b5 |
14 | 996c9ab4 |
15 | 5e872190 |
hex | 3ccf0c7e |
1020202110 has 48 divisors (see below), whose sum is σ = 2724224256. Its totient is φ = 264700224.
The previous prime is 1020202097. The next prime is 1020202121. The reversal of 1020202110 is 112020201.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 1020202092 and 1020202101.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149854 + ... + 156513.
It is an arithmetic number, because the mean of its divisors is an integer number (56754672).
Almost surely, 21020202110 is an apocalyptic number.
1020202110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1020202110 is an abundant number, since it is smaller than the sum of its proper divisors (1704022146).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020202110 is a wasteful number, since it uses less digits than its factorization.
1020202110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 306417 (or 306414 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 1020202110 is about 31940.6028434029. The cubic root of 1020202110 is about 1006.6891916123.
Adding to 1020202110 its reverse (112020201), we get a palindrome (1132222311).
The spelling of 1020202110 in words is "one billion, twenty million, two hundred two thousand, one hundred ten".
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