Base | Representation |
---|---|
bin | 10100111010101110… |
… | …01010100110000100 |
3 | 1001222122021122100220 |
4 | 22131113022212010 |
5 | 140444341431322 |
6 | 5054202304340 |
7 | 545201452602 |
oct | 123527124604 |
9 | 31878248326 |
10 | 11230030212 |
11 | 4843071a05 |
12 | 2214ab80b0 |
13 | 109c7975bb |
14 | 78766c872 |
15 | 45ad7b55c |
hex | 29d5ca984 |
11230030212 has 24 divisors (see below), whose sum is σ = 26327596512. Its totient is φ = 3725601600.
The previous prime is 11230030181. The next prime is 11230030241. The reversal of 11230030212 is 21203003211.
It is a super-2 number, since 2×112300302122 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 11230030191 and 11230030200.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2215089 + ... + 2220152.
It is an arithmetic number, because the mean of its divisors is an integer number (1096983188).
Almost surely, 211230030212 is an apocalyptic number.
11230030212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
11230030212 is an abundant number, since it is smaller than the sum of its proper divisors (15097566300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11230030212 is a wasteful number, since it uses less digits than its factorization.
11230030212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4435459 (or 4435457 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 11230030212 its reverse (21203003211), we get a palindrome (32433033423).
The spelling of 11230030212 in words is "eleven billion, two hundred thirty million, thirty thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •