Base | Representation |
---|---|
bin | 10100111010101110… |
… | …11110110111000100 |
3 | 1001222122102212020021 |
4 | 22131113132313010 |
5 | 140444402110340 |
6 | 5054204144524 |
7 | 545202246604 |
oct | 123527366704 |
9 | 31878385207 |
10 | 11230113220 |
11 | 4843119307 |
12 | 2214b38144 |
13 | 109c7c6311 |
14 | 787690c04 |
15 | 45ad95e4a |
hex | 29d5dedc4 |
11230113220 has 24 divisors (see below), whose sum is σ = 23585764608. Its totient is φ = 4491564000.
The previous prime is 11230113199. The next prime is 11230113221. The reversal of 11230113220 is 2231103211.
It is a super-2 number, since 2×112301132202 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 11230113194 and 11230113203.
It is not an unprimeable number, because it can be changed into a prime (11230113221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206715 + ... + 255325.
It is an arithmetic number, because the mean of its divisors is an integer number (982740192).
Almost surely, 211230113220 is an apocalyptic number.
11230113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
11230113220 is an abundant number, since it is smaller than the sum of its proper divisors (12355651388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11230113220 is a wasteful number, since it uses less digits than its factorization.
11230113220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60171 (or 60169 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 11230113220 its reverse (2231103211), we get a palindrome (13461216431).
It can be divided in two parts, 112301 and 13220, that added together give a palindrome (125521).
The spelling of 11230113220 in words is "eleven billion, two hundred thirty million, one hundred thirteen thousand, two hundred twenty".
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