Base | Representation |
---|---|
bin | 11100000010001011… |
… | …011110000011111101 |
3 | 2212200210222010001100 |
4 | 130002023132003331 |
5 | 443121420112341 |
6 | 21454532003313 |
7 | 2113640050032 |
oct | 340213360375 |
9 | 85623863040 |
10 | 30101332221 |
11 | 11847465474 |
12 | 5a00a60539 |
13 | 2ab93840ac |
14 | 1657aa5389 |
15 | bb29933b6 |
hex | 7022de0fd |
30101332221 has 24 divisors (see below), whose sum is σ = 43866014400. Its totient is φ = 19889856000.
The previous prime is 30101332187. The next prime is 30101332229. The reversal of 30101332221 is 12223310103.
It is not a de Polignac number, because 30101332221 - 214 = 30101315837 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30101332194 and 30101332203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30101332229) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 585526 + ... + 634856.
It is an arithmetic number, because the mean of its divisors is an integer number (1827750600).
Almost surely, 230101332221 is an apocalyptic number.
It is an amenable number.
30101332221 is a deficient number, since it is larger than the sum of its proper divisors (13764682179).
30101332221 is a wasteful number, since it uses less digits than its factorization.
30101332221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49937 (or 49934 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 30101332221 its reverse (12223310103), we get a palindrome (42324642324).
The spelling of 30101332221 in words is "thirty billion, one hundred one million, three hundred thirty-two thousand, two hundred twenty-one".
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