Base | Representation |
---|---|
bin | 11100001110101111… |
… | …100100011010101110 |
3 | 2220020111121100022022 |
4 | 130032233210122232 |
5 | 444034400401110 |
6 | 21531501550142 |
7 | 2122106533421 |
oct | 341657443256 |
9 | 86214540268 |
10 | 30312122030 |
11 | 11945447a23 |
12 | 5a5b575352 |
13 | 2b20c485a8 |
14 | 1677a959b8 |
15 | bc622e755 |
hex | 70ebe46ae |
30312122030 has 16 divisors (see below), whose sum is σ = 54923158944. Its totient is φ = 12044551200.
The previous prime is 30312122003. The next prime is 30312122063. The reversal of 30312122030 is 3022121303.
It is a super-2 number, since 2×303121220302 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
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, 10035617 + ... + 10038636.
It is an arithmetic number, because the mean of its divisors is an integer number (3432697434).
Almost surely, 230312122030 is an apocalyptic number.
30312122030 is a deficient number, since it is larger than the sum of its proper divisors (24611036914).
30312122030 is a wasteful number, since it uses less digits than its factorization.
30312122030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20074411.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 30312122030 its reverse (3022121303), we get a palindrome (33334243333).
The spelling of 30312122030 in words is "thirty billion, three hundred twelve million, one hundred twenty-two thousand, thirty".
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