Base | Representation |
---|---|
bin | 1100010110001111111… |
… | …1101010010100100110 |
3 | 202021112202221212122022 |
4 | 3011203333222110212 |
5 | 11433421020432220 |
6 | 241241320103142 |
7 | 21216543002213 |
oct | 3054377522446 |
9 | 667482855568 |
10 | 212131030310 |
11 | 81a67488891 |
12 | 35142304ab2 |
13 | 17008670414 |
14 | a3a528ab0a |
15 | 57b8478925 |
hex | 3163fea526 |
212131030310 has 32 divisors (see below), whose sum is σ = 391651459200. Its totient is φ = 82692658048.
The previous prime is 212131030301. The next prime is 212131030343. The reversal of 212131030310 is 13030131212.
It is a super-2 number, since 2×2121310303102 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1264142 + ... + 1422081.
It is an arithmetic number, because the mean of its divisors is an integer number (12239108100).
Almost surely, 2212131030310 is an apocalyptic number.
212131030310 is a deficient number, since it is larger than the sum of its proper divisors (179520428890).
212131030310 is a wasteful number, since it uses less digits than its factorization.
212131030310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2686432.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 212131030310 its reverse (13030131212), we get a palindrome (225161161522).
The spelling of 212131030310 in words is "two hundred twelve billion, one hundred thirty-one million, thirty thousand, three hundred ten".
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