Base | Representation |
---|---|
bin | 11011111100110011… |
… | …010001010000001100 |
3 | 2212110112011221202110 |
4 | 123330303101100030 |
5 | 442430320232340 |
6 | 21441550024020 |
7 | 2111463105561 |
oct | 337463212014 |
9 | 85415157673 |
10 | 30011102220 |
11 | 11800537320 |
12 | 59967a8010 |
13 | 2aa3781568 |
14 | 1649ad8868 |
15 | ba9abd680 |
hex | 6fccd140c |
30011102220 has 48 divisors (see below), whose sum is σ = 91670277888. Its totient is φ = 7275418560.
The previous prime is 30011102203. The next prime is 30011102221. The reversal of 30011102220 is 2220111003.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 30011102196 and 30011102205.
It is not an unprimeable number, because it can be changed into a prime (30011102221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22735024 + ... + 22736343.
It is an arithmetic number, because the mean of its divisors is an integer number (1909797456).
Almost surely, 230011102220 is an apocalyptic number.
30011102220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30011102220 is an abundant number, since it is smaller than the sum of its proper divisors (61659175668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30011102220 is a wasteful number, since it uses less digits than its factorization.
30011102220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45471390 (or 45471388 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 30011102220 its reverse (2220111003), we get a palindrome (32231213223).
It can be divided in two parts, 30011 and 102220, that added together give a palindrome (132231).
The spelling of 30011102220 in words is "thirty billion, eleven million, one hundred two thousand, two hundred twenty".
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