Base | Representation |
---|---|
bin | 1100001111000110000… |
… | …0010010001001100100 |
3 | 202002120220120200211220 |
4 | 3003301200102021210 |
5 | 11421002302432322 |
6 | 240322542100340 |
7 | 21121130144253 |
oct | 3036140221144 |
9 | 662526520756 |
10 | 210210202212 |
11 | 811711a724a |
12 | 348a6b7a6b0 |
13 | 16a9072654a |
14 | a26212079a |
15 | 5704a0455c |
hex | 30f1812264 |
210210202212 has 24 divisors (see below), whose sum is σ = 490521592512. Its totient is φ = 70065621600.
The previous prime is 210210202201. The next prime is 210210202217. The reversal of 210210202212 is 212202012012.
It is a super-2 number, since 2×2102102022122 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 210210202191 and 210210202200.
It is not an unprimeable number, because it can be changed into a prime (210210202217) 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, 355839 + ... + 739622.
It is an arithmetic number, because the mean of its divisors is an integer number (20438399688).
Almost surely, 2210210202212 is an apocalyptic number.
It is an amenable number.
210210202212 is an abundant number, since it is smaller than the sum of its proper divisors (280311390300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210210202212 is a wasteful number, since it uses less digits than its factorization.
210210202212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1111459 (or 1111457 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 210210202212 its reverse (212202012012), we get a palindrome (422412214224).
The spelling of 210210202212 in words is "two hundred ten billion, two hundred ten million, two hundred two thousand, two hundred twelve".
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