Base | Representation |
---|---|
bin | 11100001000110001… |
… | …101011100100101010 |
3 | 2212222112020020121122 |
4 | 130020301223210222 |
5 | 443333233343310 |
6 | 21513524135242 |
7 | 2116452603413 |
oct | 341061534452 |
9 | 85875206548 |
10 | 30212012330 |
11 | 118a3991035 |
12 | 5a31b37522 |
13 | 2b06296b96 |
14 | 166867680a |
15 | bbc557555 |
hex | 708c6b92a |
30212012330 has 16 divisors (see below), whose sum is σ = 54383723784. Its totient is φ = 12084337920.
The previous prime is 30212012329. The next prime is 30212012381. The reversal of 30212012330 is 3321021203.
It can be written as a sum of positive squares in 4 ways, for example, as 23052652561 + 7159359769 = 151831^2 + 84613^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30212012299 and 30212012308.
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, 348110 + ... + 426150.
Almost surely, 230212012330 is an apocalyptic number.
30212012330 is a deficient number, since it is larger than the sum of its proper divisors (24171711454).
30212012330 is a wasteful number, since it uses less digits than its factorization.
30212012330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116761.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 30212012330 its reverse (3321021203), we get a palindrome (33533033533).
The spelling of 30212012330 in words is "thirty billion, two hundred twelve million, twelve thousand, three hundred thirty".
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