Base | Representation |
---|---|
bin | 1100001111000100000… |
… | …1011111011110011011 |
3 | 202002120100101121022100 |
4 | 3003301001133132123 |
5 | 11420443221132311 |
6 | 240322053054443 |
7 | 21121001425134 |
oct | 3036101373633 |
9 | 662510347270 |
10 | 210202130331 |
11 | 81167693776 |
12 | 348a4327423 |
13 | 16a8bb5b49b |
14 | a26101cc8b |
15 | 5703e5ca56 |
hex | 30f105f79b |
210202130331 has 12 divisors (see below), whose sum is σ = 304094589552. Its totient is φ = 139918158096.
The previous prime is 210202130317. The next prime is 210202130363. The reversal of 210202130331 is 133031202012.
210202130331 is a `hidden beast` number, since 2 + 1 + 0 + 202 + 130 + 331 = 666.
It is a de Polignac number, because none of the positive numbers 2k-210202130331 is a prime.
It is a super-2 number, since 2×2102021303312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (210202130731) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18043476 + ... + 18055121.
It is an arithmetic number, because the mean of its divisors is an integer number (25341215796).
Almost surely, 2210202130331 is an apocalyptic number.
210202130331 is a deficient number, since it is larger than the sum of its proper divisors (93892459221).
210202130331 is a wasteful number, since it uses less digits than its factorization.
210202130331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36099250 (or 36099247 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 210202130331 its reverse (133031202012), we get a palindrome (343233332343).
The spelling of 210202130331 in words is "two hundred ten billion, two hundred two million, one hundred thirty thousand, three hundred thirty-one".
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