Base | Representation |
---|---|
bin | 11100001000101110… |
… | …001101010111111011 |
3 | 2212222110112000011020 |
4 | 130020232031113323 |
5 | 443333020232303 |
6 | 21513452433523 |
7 | 2116442063112 |
oct | 341056152773 |
9 | 85873460136 |
10 | 30211102203 |
11 | 118a341a267 |
12 | 5a317788a3 |
13 | 2b06038849 |
14 | 16684bac79 |
15 | bbc427a53 |
hex | 708b8d5fb |
30211102203 has 16 divisors (see below), whose sum is σ = 42664313376. Its totient is φ = 18950054400.
The previous prime is 30211102199. The next prime is 30211102211. The reversal of 30211102203 is 30220111203.
It is not a de Polignac number, because 30211102203 - 22 = 30211102199 is a prime.
It is a super-2 number, since 2×302111022032 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30211102213) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74853 + ... + 256953.
It is an arithmetic number, because the mean of its divisors is an integer number (2666519586).
Almost surely, 230211102203 is an apocalyptic number.
30211102203 is a deficient number, since it is larger than the sum of its proper divisors (12453211173).
30211102203 is a wasteful number, since it uses less digits than its factorization.
30211102203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 185374.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 30211102203 its reverse (30220111203), we get a palindrome (60431213406).
The spelling of 30211102203 in words is "thirty billion, two hundred eleven million, one hundred two thousand, two hundred three".
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