Base | Representation |
---|---|
bin | 11100001000101101… |
… | …111001010101100101 |
3 | 2212222110100211120121 |
4 | 130020231321111211 |
5 | 443333010121013 |
6 | 21513451001541 |
7 | 2116441301620 |
oct | 341055712545 |
9 | 85873324517 |
10 | 30211020133 |
11 | 118a3373638 |
12 | 5a317392b1 |
13 | 2b0600a398 |
14 | 1668498db7 |
15 | bbc40d58d |
hex | 708b79565 |
30211020133 has 8 divisors (see below), whose sum is σ = 34576139520. Its totient is φ = 25858215600.
The previous prime is 30211020113. The next prime is 30211020173. The reversal of 30211020133 is 33102011203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30211020133 - 29 = 30211019621 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30211020113) 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, 3073453 + ... + 3083266.
It is an arithmetic number, because the mean of its divisors is an integer number (4322017440).
Almost surely, 230211020133 is an apocalyptic number.
It is an amenable number.
30211020133 is a deficient number, since it is larger than the sum of its proper divisors (4365119387).
30211020133 is an equidigital number, since it uses as much as digits as its factorization.
30211020133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6157427.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 30211020133 its reverse (33102011203), we get a palindrome (63313031336).
The spelling of 30211020133 in words is "thirty billion, two hundred eleven million, twenty thousand, one hundred thirty-three".
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