Base | Representation |
---|---|
bin | 11100001001011111… |
… | …111101011010010100 |
3 | 2220000101001121011111 |
4 | 130021133331122110 |
5 | 443344340102040 |
6 | 21515040144404 |
7 | 2116660661650 |
oct | 341137753224 |
9 | 86011047144 |
10 | 30224144020 |
11 | 118aa817824 |
12 | 5a36008104 |
13 | 2b08953ab5 |
14 | 166a113a60 |
15 | bbd651dea |
hex | 7097fd694 |
30224144020 has 24 divisors (see below), whose sum is σ = 72537945984. Its totient is φ = 10362563616.
The previous prime is 30224144017. The next prime is 30224144023. The reversal of 30224144020 is 2044142203.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30224144017) and next prime (30224144023).
It is a junction number, because it is equal to n+sod(n) for n = 30224143982 and 30224144000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30224144023) 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, 107943232 + ... + 107943511.
It is an arithmetic number, because the mean of its divisors is an integer number (3022414416).
Almost surely, 230224144020 is an apocalyptic number.
It is an amenable number.
30224144020 is an abundant number, since it is smaller than the sum of its proper divisors (42313801964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30224144020 is a wasteful number, since it uses less digits than its factorization.
30224144020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 215886759 (or 215886757 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 22.
Adding to 30224144020 its reverse (2044142203), we get a palindrome (32268286223).
The spelling of 30224144020 in words is "thirty billion, two hundred twenty-four million, one hundred forty-four thousand, twenty".
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