Base | Representation |
---|---|
bin | 11100010110011111… |
… | …001000110001010100 |
3 | 2220120120001110120112 |
4 | 130112133020301110 |
5 | 444321130012322 |
6 | 21552422222152 |
7 | 2125245001334 |
oct | 342637106124 |
9 | 86516043515 |
10 | 30442032212 |
11 | 11a01808409 |
12 | 5a96b84958 |
13 | 2b41b32217 |
14 | 168b0310c4 |
15 | bd28415e2 |
hex | 7167c8c54 |
30442032212 has 12 divisors (see below), whose sum is σ = 53276420736. Its totient is φ = 15220197720.
The previous prime is 30442032193. The next prime is 30442032223. The reversal of 30442032212 is 21223024403.
It is a super-2 number, since 2×304420322122 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 116708 + ... + 272955.
It is an arithmetic number, because the mean of its divisors is an integer number (4439701728).
Almost surely, 230442032212 is an apocalyptic number.
It is an amenable number.
30442032212 is a deficient number, since it is larger than the sum of its proper divisors (22834388524).
30442032212 is a wasteful number, since it uses less digits than its factorization.
30442032212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 409198 (or 409196 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 23.
Adding to 30442032212 its reverse (21223024403), we get a palindrome (51665056615).
The spelling of 30442032212 in words is "thirty billion, four hundred forty-two million, thirty-two thousand, two hundred twelve".
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